chore(release): cut 1.2.0-rc.3 ferocious-twitch release
docs(changelog): release notes for 1.2.0-rc.3
chore(release): start 1.2.0 iteration
fix($parse): check function call context to be safe

Closes #4417
Merge branch 'master' of https://github.com/angular/angular.js
componentizd!