Internal methods visibility reduced (merger leftovers)
IDEA-100722 Commenting block of Java code with EOL comments unfolds imports and top comment

system property -> registry
diagnostics
not null, cleanup
win32cache: less memory
notnull
get rid of JDOM duplicates in memory
cleanup
project templates: choosing app server
IDEA-101631 Updating Maven snapshots with sources does not synchronize sources to latest when navigating to class
CR-IC-199 Avoid memory leak in 'editor tabs: none' mode

Revert 'reuse editor' change as it breaks 'split editor' functionality