fixup intellij projects for now
the new ones have the wrong encoding (UTF-8) and need to be converted
do not pop up error messages when model listeners fail
fixed exceptions for bad type references like Foo$3

Change-Id: Id53288ebc9ccad52a94a3bcd96f969b244d569d2
[misc] Added a possibility to add imports using FQN. Re-use JDT imports
when pasting from clipboard into an Xtend editor. Run formatter after
pasting converted code in the XtendEditor.

Change-Id: I004cf2d09474215989ce16201eef9cee652db41a
Merge "[misc] Added a possibility to add imports using FQN. Re-use JDT imports when pasting from clipboard into an Xtend editor. Run formatter after pasting converted code in the XtendEditor."