changed pake upgrade behavior to avoid saving files with no change (to minimize files to synchronize via rsync)
changed pake upgrade behavior to avoid saving files with no change (to minimize files to synchronize via rsync)

git-svn-id: b349400a064d1b7ba2fe2e12028965f19dc7fbaa@2635 ee427ae8-e902-0410-961c-c3ed070cd9f9

jcoby/symfony,WIZARDISHUNGRY/symfony,WIZARDISHUNGRY/symfony,WIZARDISHUNGRY/symfony,jcoby/symfony,tedconf/symfony-unofficial,tedconf/symfony-unofficial,tedconf/symfony-unofficial,jcoby/symfony