issue 451 fixed, as well as adding caching of the rules in bin/rules.grammar, allowing for a quicker startup for umpleonline and other processes that require using umple.jar more than once in a short amount of time.
the rules.grammar file is computed every time umpleSelf is generated. 


git-svn-id: http://umple.googlecode.com/svn/trunk@3174 6ebf9d09-8eb1-0036-9d08-68c07d1b990a