removed unnecessary exceptions from throws
exception 'resource not found' (for 404 error) instead of response status
Merge remote-tracking branch 'remotes/origin/master' into daniil
Merge remote-tracking branch 'remotes/origin/master' into daniil

Conflicts:
	src/main/java/ru/hse/esadykov/controller/BugController.java
	src/main/webapp/WEB-INF/jsp/bug.jsp
	src/main/webapp/WEB-INF/jsp/bugs.jsp
	src/main/webapp/WEB-INF/jsp/projects.jsp