Use `master` branch for Travis build status in README
Merge pull request #72 from goinstant/mattcreager/hotfix-3.2.2-sync

fix(key/query sync): $key must return a model
Merge pull request #67 from brandonwamboldt/travisci_fix

Use `master` branch for Travis build status in README
Merge branch 'colinmacdonald/extend-model' of github.com:goinstant/goangular into colinmacdonald/extend-model
fix