MPS-19578 Generation fails with NPE: Check for nulls in code that comes after particular SourceNodesQuery implementation, show more specific message to help trace down error location
MPS-19577 Exception on MPS startup: jetbrains.mps.ide.actions.ForcedSaveAll_Action was already registered.
Merge remote-tracking branch 'origin/master'
Merge branch '3.1/mikev/test'
make after merge
Added utility method to check if a full path belongs to the cache output dir
Avoid copying cache files to the local dir after make, MPS-18836