add mustache.js commonjs to couchapp vendor
add mustache.js commonjs to couchapp vendor

benoitc/erica,h4ki/couchapp,couchapp/couchapp,dustin/couchapp,h4ki/couchapp,dustin/couchapp,flimzy/couchapp,flimzy/couchapp,couchapp/couchapp,h4ki/couchapp,dustin/couchapp,flimzy/couchapp,diderson/couchapp,diderson/couchapp,flimzy/couchapp,h4ki/couchapp,couchapp/couchapp,couchapp/couchapp,diderson/couchapp,diderson/couchapp,benoitc/erica