Merge pull request #21 from funkytek/master

#20
Merge pull request #22 from funkytek/master

global singleton, todo cleanup
change to custom version of &-collection-rest-mixin
Merge pull request #23 from stevelacy/master

change to custom version of &-collection-rest-mixin
fetch patch to fix collection
update app init api
merge upstream
class / scope tests
scope fix