Allow portability of uncompiled script between differently-named directories.

git-svn-id: http://blockly.googlecode.com/svn/trunk@589 c400ca83-b69d-9dd7-9705-49c6b8615e23
Remove requirement to call Closure when not compiled.

git-svn-id: http://blockly.googlecode.com/svn/trunk@590 c400ca83-b69d-9dd7-9705-49c6b8615e23