remove swagger annotation from feedbackcontroller, coursecontroller and getter and setter for sortOrder

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.

This will send HTTP 501 NOT IMPLEMENTED error in case connector client is
used and not available.

This allows expecting those exceptions in test classes.

class.

Strings. This fixes incorrect content types being set in the response
header.

/canteen/foodvote => /canteen/menu/vote (GET)
/canteen/vote => /canteen/menu/vote (POST)
/canteen/foodvotecount => /canteen/menu/vote/count

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