the header being present (e.g. with IE).

Conflicts:
	src/main/java/de/thm/arsnova/controller/QuestionController.java
	src/main/java/de/thm/arsnova/dao/IDatabaseDao.java
	src/main/java/de/thm/arsnova/services/QuestionService.java

Conflicts:
	src/main/java/de/thm/arsnova/controller/QuestionController.java
	src/main/java/de/thm/arsnova/dao/IDatabaseDao.java
	src/main/java/de/thm/arsnova/services/IQuestionService.java

and the users inside of it

caused in past server errors

* rename methods to clearify that this are sockets

If a session key was used in URI path which dous not exist,
send HTTP NotFound to client instead if running into NullPointerException.

This is a quick fix for HTTP session timeout which will result in some
strange behavior in client devices.

THIS MUST BE REVOVED if client JS code is able to re-authenticate from
local storage after session timeout.

This will prevent including of selenium into final build of WAR file.

total count of food votes today
Task #4055: getFoodVote is returning a list of given votes
Task #4245: HTTP POST vote for a menu

Conflicts:
	src/main/java/de/thm/arsnova/dao/IDatabaseDao.java