Fix dead-lock on components initialization (PY-12154).
Merge remote-tracking branch 'origin/master'
IDEA-80056 Column selection mode improvement

more tests
disabling Pythonid 3.1, NodeJS 134.1081 / 1039 / 985, ruby 6.0.0.20140207
some more methods overridden to preserve List-Set contract
Merge remote-tracking branch 'origin/master'
restore unstable API setAutoInitBreakpoints +review