adding separate run configuration for running MPS on jre 8 on mac.
Merge remote-tracking branch 'origin/master' into 3.2/editorFixes
MPS-20761 Wrong selection on extends cell in concept
MPS-20761 Wrong selection on extends cell in concept
MPS-20779 Vertical Child List COllection has the wrong editor
MPS-20761 Wrong selection on extends cell in concept
Merge remote-tracking branch 'origin/master' into 3.2/editorFixes

Conflicts:
	languages/languageDesign/editor/source_gen/jetbrains/mps/lang/editor/behavior/trace.info
	languages/languageDesign/structure/source_gen/jetbrains/mps/lang/structure/editor/trace.info
make after merge
Using NodeAttribute to store info about editor side-transforms
- getSTHintCell() method moved to EditorCell_STHint class
- SideTransformInfo node attribute added to editor language
- SideTransformInfoUtil utility class for working with SideTransformInfo node attributes added
rebuilding some models
updated by IDEA
using "true" (unwrappedNodeBigCell) as a "big cell" parameter while installing side-transform hint cell
regenerating models
MPS-20115 Error on undo adding abstract concept declaration
- reimplementing side-transform functionality using SideTransformInfoUtil & corresponding node attribute
MPS-20115 Error on undo adding abstract concept declaration
- specifying non-null value for SideTransformSide.right side
- correcting "no-read-access" exception from AutoValidator
regenerating with java 6
executing command from AutoValidator
Merge remote-tracking branch 'origin/master' into 3.2/editorFixes

Conflicts:
	editor/editor-runtime/jetbrains.mps.editor.runtime.msd
executing model command later in EDT (fixing tests)
removing internal method from the updater API