migration 3.0
rename migration25 -> mpsmigration
migration30 model
migration30 model
refactoring view removed
fix bug in SModelId migration
refactoring view removed
migrate only nodes from the project
fix broken references
Merge branch 'mvtest30'

Conflicts:
	MPS.mpr
	plugins/mpsmigration/source_gen.caches/jetbrains/mps/ide/mpsmigration/migration25/dependencies
Fix broken references
Fix broken references
Merge remote-tracking branch 'remotes/origin/master' into mvtest30
fix again migration25
Merge remote-tracking branch 'origin/master' into mvtest30
Merge remote-tracking branch 'origin/master' into mvtest30
FixBrokenReferences action - diagnostics
fix editor preference page
add EditorContextHint class, configurable, preferences page, settings component, register in settings
generate hints initializing in EditorAspectDescriptor, rebuild all editor aspects