Bug 833438 - Viewing video through activity doesn't pause after headset is removed
Revert "Bug 950080 - add grunt jsdoc generator to gaia"

This reverts commit 508f3b37a2ea0953d2817464f285ec1d8b08dd2e.

Conflicts:
	Gruntfile.js
	package.json
Merge pull request #15741 from gaye/backout-bug-9500080

Revert "Bug 950080 - add grunt jsdoc generator to gaia"
Revert "Bug 957932 - Add coverage checkbox for test-agent web interface"

This reverts commit 9270745f79b2c2195a13cb24902cb402b08ced06.
Merge pull request #15689 from russnicoletti/bug833438

Bug 833438 - Viewing video through activity doesn't pause after headset ..., r=johnhu