Bug 1105869 -  Add to grunt the generation of the files required to inst...

...all Loop as part of make reset-gaia
 dest: '<%= (process.env.GAIA_OUTOFTREE_DIR || "deliver") + "/" + grunt.config.get("origin") %>'

This way (and with the other changes below) we can output the file directly into gaia if we want by running
GAIA_OUTOFTREE_DIR=~/dev/gaia/outoftree_apps grunt release
while just running
grunt release still does the same (leave it in deliver)