Basic initial support for converting java to mps in idea plugin
Little regenerated after rebase
Fixed compilation of a test class
More on converting java package to mps in idea plugin (DirParser always saves models it has created)
MPS-17925 ConcurrentModificationException in psi stubs
Deleting only successfully parsed java files after converting package to mps
Re-resolving references to code just converted from java to mps (doesn't completely work yet)
Removed old unused stuff from plugin
Removed copying of mpsTesting lib dir from ant prepare (it no longer exitst)
Removed workaround for MPS-17899 Modifying nodes from reload session is not allowed
Added ReloadManager.flush()
In ConvertJavaToMps action: flushing reload session