IDEA-115737 Mercurial problem on Windows when repository replaced right inside disk directory.

*relative path should be constructed using FileUtil method, because File.getParent method has side effect with minimal prefix length.
getter invocation in case of object-backed scope
^461 don't create invalid range marker
WEB-12106 node-webkit crashes when opening developer tools
Start plugins wizard #27 cleanup
reformat only changed text checkboxes are enabled (IDEA-121171)
initial
cleanup
for given fragment: calc hash code once and do not use wrapper CharSequenceSubSequence for interning
store CharSequence into Map of int -> CharSequence+
removed extra unneeded delegate
WEB-10560 Debugger: second Mute Breakpoints invocation doesn't work