Merge pull request #222 from Livefyre/master

mergeback
Merge pull request #225 from Livefyre/master

master -> rc (mergeback)
Modal flow can be stacked. Tests needed.

Conflicts:
	src/modal/main.js
Debugged and tested.

Conflicts:
	src/collection/main.js
	src/content/fetch-content.js
	tests/spec-list.js
	tests/spec/collection/main.js
Remove fetch-content tests because it is not needed atm
Make tests pass
Add tests
Enable and disable button independently of command
Release 2.10.0
Merge pull request #231 from Livefyre/ks_stacking_modal

Ks stacking modal
Merge pull request #230 from Livefyre/k_button_state

Enable and disable button independently of command
Merge pull request #232 from Livefyre/master

mergeback 2.10.0
LF-9826: Adding twitter verified logo to tweets

https://livefyre.atlassian.net/browse/LF-9826