Subversion: format 1.6, force-VFS-refresh for .svn and .svn/entries can be done asynchronously, just the fact of refresh is important
(to make entries changes be visible for VFS listener)

- fix hunging tests
Merge remote branch 'origin/master'
fix test
IDEA-100845 Icons: update darcula icon for 'structure view'
IDEA-73118 SNAPSHOT dependencies not handled as per Maven 3.0
update netty, 3.6.2
update netty, 3.6.2