[git] IDEA-115594 Don't join equal commit messages from different roots
[git] IDEA-116738 Don't eat newlines when amending

%s removes line endings from the subject area.
To fix this use %B to get the whole commit message.
It works for Git 1.7.2+.
Keep behavior for Git 1.7.1: old version; no easy workaround;
multiline subjects are not recommended.
IDEA-118763 (handle project component initialization errors)
bundle junit-4.11.jar
Merge remote-tracking branch 'origin/master'