Get appName based on angular directive prefixes

[nickroberts]

In order to keep angular's code html5 validated, we should use the data- attribute prefix.

This allows us to get the appName based on these prefixes (take from angular's source).

[coveralls]

Coverage decreased (-2.1%) to 97.895% when pulling 41eb795 on nickroberts:master into 99f20e6 on mjt01:master.

[coveralls]

Coverage decreased (-1.05%) to 98.947% when pulling b7183da on nickroberts:master into 99f20e6 on mjt01:master.

[coveralls]

Coverage remained the same at 100.0% when pulling 0cd694a on nickroberts:master into 99f20e6 on mjt01:master.

[nickroberts]

This resolves #40

[coveralls]

Coverage remained the same at 100.0% when pulling 8c39788 on nickroberts:master into 99f20e6 on mjt01:master.

[michaeltaranto]

Sorry it's taken so long to look at this, would be great to have this PR broken into smaller discrete PRs. It will make the intent a lot clearer and the PRs easier to digest. Thanks

[michaeltaranto]

Closing based on lack of activity