fix http://youtrack.jetbrains.com/issue/MPS-19316 Default editor doesn't show node attributes
add test attributes and test for adding/removing attributes to the default editor
set selection after adding/removing default attributes
set cell id to the non-empty reference cell
make
Merge remote-tracking branch 'origin/master' into simon
make after merge
run generators runner
add ITestCases
fix j.m.ide.build
Merge remote-tracking branch 'remotes/origin/master' into simon
fix createPort test
Merge remote-tracking branch 'origin/master' into simon