replace association_chain with nests as per super resources v2
fix some stray with_chain references to refer to with_nesting, update the gem file with remote super_resources v2 version
Merge branch 'refs/heads/master' into ratjens
Merge branch 'refs/heads/master' into ratjens
Merge branch 'ratjens' of github.com:marketboomer/nunchaku into ratjens
Merge pull request #7 from marketboomer/ratjens

use super resources v2