MPSPsiNode.getText() is slightly better (it's how node looks in find usages tool)
Ctrl-r (NavigationParticipant) for java PSI stubs
MPS2PsiMapper cleaned up. Looking up psiElement in java Psi stub model made fast
Code format
Psi stub model id now includes module id again (Fixes compilation in plugin, partially)
psiProject model changed according to new psi stub model ids