Update copyright year and add missing file headers

src/main/java/de/thm/arsnova/CASLogoutSuccessHandler.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/CasUserDetailsService.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/FeedbackStorage.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/ImageUtils.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/LoginAuthenticationFailureHandler.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/LoginAuthenticationSucessHandler.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/PaginationListDecorator.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/aop/RangeAspect.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/aop/UserSessionAspect.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/cache/CacheBustListener.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/cache/CacheBuster.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/cache/ICacheBuster.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/cache/ScheduledCacheBuster.java

+/*
+ * This file is part of ARSnova Backend.
+ * Copyright (C) 2012-2017 The ARSnova Team
+ *
+ * ARSnova Backend is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * ARSnova Backend is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 package de.thm.arsnova.cache;
 
 import org.springframework.cache.annotation.CacheEvict;

src/main/java/de/thm/arsnova/config/ExtraConfig.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/config/SecurityConfig.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/controller/AbstractController.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/controller/AudienceQuestionController.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/controller/ConfigurationController.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/controller/CourseController.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main/java/de/thm/arsnova/controller/FeedbackController.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2016 The ARSnova Team
+ * Copyright (C) 2012-2017 The ARSnova Team
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by