Added clean before uberwar

Considering the problems I ran into (as described on IRC), going from an earlier version of Castra to a newer, it's probably wise to add a clean step before packagaing an uberwar.
Merge pull request #7 from ulsa/patch-1

Added clean before uberwar
Merge pull request #6 from rwillig/master

update territory builder for current version of google maps jsapi