IDEA-102449 Mac OS + JDK 1.7: dialog sheets go to background if focus is moved from IDEA and then back
[^nicity] support hippie completion at the file start (EA-52100)
(cherry picked from commit 3334c0b)
[^nicity] fix outdated javadoc (completion is performed in a read action)
(cherry picked from commit d4e5553)
special icon for 'generated source' roots [rev by Peter] (cherry picked from commit 35806f2)
update tips