Uneeded exception.
The test will fail whenever one tries to re-introduces the exception
throwing statement that was removed by the previous commit in this
branch.
Assertion on the obtained AST.
fixes bug invoking super with an enclosing instance
fixes bug in FileSystemFolder.getSubFolder
fixes bug in CtStatementImpl.insertBefore
Merge pull request #52 from seintur/extendedstringliteral_bug
Merge pull request #67 from cc18/enclosingInstance
Merge pull request #70 from cc18/bugInFileSystemFolder
Merge pull request #71 from cc18/fixInsertBefore