make action event param Nullable
can't call actions by mouse
Merge remote-tracking branch 'origin/master'
Cleanup (code de-duplication)
EA-51567 (JRE bug - just catch and log)
Cleanup (formatting)
[log] defensive copying
[log] Don't display commit time if equal to author time
[log] dispose the log structures on project dispose
[log] Consume less temporary memory

When reading the whole log, don't read the whole output and then
parse it. Instead read packs of 1000 commits and parse this parts of
the log.
add println to jetbrains.dic (IDEA-115852)
just consider dash a part of word for hippie completion (IDEA-115762)
IDEA-115885 False positive "Abstract method with missing implementations" using virtual extension methods.
testdata fixed
Merge remote-tracking branch 'origin/master'