[git] IDEA-132502 fix NPE
[vcs-log] select in git log action from history works even log was not open by user yet IDEA-133449
[vcs-log] run onLoad requests after task completed
[vcs-log] wait for next load if data pack is not full when navigating to a commit IDEA-117322
[vcs-log] minor: reformat code
cleanup
optimisations
IDEA-127120 Language Injection navigation problem
IDEA-CR-999 (connection closing)
A fix for IDEA-131190 Auto formatting formatting forwards but not backwards
 @VisibleForTesting
IDEA-127182 decompile to debuggable style when possible - better method names