IDEA-131454 Smart backspace does not work on comments
IG: don't warn on final clone() that throws exception
IPP: fix intention description
IG: test for option
platform test case: call tearDown if setup fails
EDU-218 String index out of range: -1 on course reload when reloading a course
Merge remote-tracking branch 'origin/master'
IDEA-131335 Update offsets int the Settings tree
ProjectView: sort by type doesn't work when 'folders always on top' is disabled
ProjectView: 'sort by type' mixes up folders and files
IG: use LanguageFileType instead of complicated if statement
Project view: test for IDEA-80435 Project file sorting