remove spingfox for ApiIgnore direction
use swagger-maven-plugin to generate swagger.json before compiling rather than
 dynamically generate it on request

Daniel Gerhardt authored 9 years ago and Tom Käsler committed 9 years ago

Reasons:
* not used consistently
* Java signatures are not helpful
* Return type should not be hard-coded in a String

Statistics model now correctly uses value instead of notes for
documentation of properties.

Daniel Gerhardt authored 9 years ago and Tom Käsler committed 9 years ago

* Fix inconsistent whitespaces
* Remove unused imports

Updated copyright year and adjusted header format to be consistent over
all files and with other ARSnova projects.

* Organize imports
* Add missing Override annotations
* Remove trailing whitespace

Replaced the use of Json-lib for deserialization by the use of a Map.
This fixes exceptions caused by failed deserializations and is more
consistent with JSON handling of other controllers.
Log messages for easier debugging have been added.

This could be used to send data via websockets without searching
sessionIDs or user tables within ARSnova.

Simply publish an event with ARSnova-sessionKey from within the
application.

Those logging entries are obsolete and only used to grow log files ;-)
Only log log entries if an error occured - not for each event.

countActiveUsers for reportActiveUserCountForSession as it was already
the case for reportSessionDataToClient.
Added check against null for session key in Socket.IO's disconnect
handler.
Logging adjustments for Socket.IO specific code.

certificate errors with SSL.