upgraded ast creator version
* this improves error reporting on tostring and the serilisable interface is no longer required for analysis implementations
Merge commit 'fb04a0356adc8d87e5103985a95549b3452576f3' into compass/development
Merge remote-tracking branch 'origin/newpog' into compass/development
Update the standalone launcher args to a larger MaxPermSize and set the requiredJavaVersion down to 1.6
added new method to util to add seperator before list elements
Merge commit 'f5b810901ce8ce4c42fcb02ea8f8d492187036e8' into compass/development
* Modified the LexNameToken getModified() method to preserve old and explicit
* Modified the APostOpExp case in the ExpressionEvaluator to assign self
  to subself if no superdefs exists.
* Modified the AVariableExp in the ExpressionEvaluator to add a module
  to the name if its empty.
Moved cloning deeper into invariant expression. Multiple invariant POs now proiperly generated.
PO Kind must be exposed as string for UI reasons.