Merged local and remote

Directive testing done

End to end testing completed

Tested service

Controller testing done

Directive exercises completed

submit for on return keypress ex. completed

focus directive ex completed

Directives lesson completed

Merge branch 'master' of https://github.com/a2wd/AngularFundamentals

Collapsible directive added

Example with compile function and joined linking function

Example with compile function

Example with compiled dom

Compile example with link