IDEA-132473 Windows, Default keymap: can't assign Alt+0 to Switcher
calculate icons on pooled thread (IDEA-133054)
transparent scrollbar only for real editor
IDEA-132419 "Recent Files" does not open while in "Recently Edited Files"
cleanup
cleanup
SchemesManagerImpl — reimplement using the same approach as DirectoryBasedStorage

touch VFS/FS only if need, avoid empty directory
don't use local data if remote exists — provider must be DVCS, it allows us to simplify platform. Don't reimplement the wheel — use existing tooling.
cleanup
get rid of deprecated StreamProvider
cleanup
cleanup
not so strict sanitize file name
cleanup — introduce JDOMUtil.load — just load element and close input stream
avoid Document usage
cleanup
cleanup
fix NPE
cleanup
DslActivationStatus — disable roaming
shared schemes concept is useless
cleanup