get rid of LightVirtualFile by generalizing its processing as files in non local filesystem that can not survive their removal / undo of removal
[git] IDEA-132552 Use THashSet instead of HashSet for VcsRefs to save some memory
[git] IDEA-132229 Remove Hash<->String conversion to avoid extra HashImpl and String objects allocation
[log] Don't log PCE
Emmet: add link:im abbreviation
WEB-10804 Emmet / Live Template: more options for "Expand (abbreviation) with"
@NotNull
Emmet: move xml configurable at the top
IDEA-130781 Log and file history fixed for files with spaces in name
UI: one simple way to control toolwindow toolbars visibility 6
IDEA-24742 When execution point is highlighted using border style instead of color, an extra line is drawn lower than current line