Fixed clone handling of predefinition (it's sometimes null)
More exports needed for COMPASS.
Spellchecking.
More clone wars...
Proper types extracted in OpDef context generation.
Support for ImplicitOps without results.
Added constructor for the benefit of compass.
No point in running old pog tests. New suite needed.
Fixed incorrect if statement from commit e757f1e
Merge remote-tracking branch 'origin/compass/development' into newpog
Merge remote-tracking branch 'origin/astv2-pvj' into newpog
fix for the label provider multi use problem in kepler bug: https://sourceforge.net/p/overture/bugs/202/

This fix is not yet compatible with COMPASS!
initial re-write from assistants to visitors
Delete a stray java7 setting
updated assistant call
updated variablenamecollector
initial trial for assistant conversion of type methods
Merge remote-tracking branch 'refs/remotes/origin/assistant-rewrite' into astv2-pvj
Exclude the maven descriptors from the ide/ jars as they cause problems
on windows for those jars that have BundleShape: dir set.  Apparently
windows has a 260 character total path length limitation.
converted exit type check into visitor