Added has_quit field to contact model.
Added quit keyword and code.
Merge pull request #176 from AndreLesa/quit_keyword

Quit keyword
Different text for quit.
Merge pull request #177 from AndreLesa/quit_keyword

Different text for quit.
Remove default connection.
Merge pull request #178 from AndreLesa/quit_keyword

Remove default connection.
Re-added default connection.
Merge pull request #179 from AndreLesa/quit_keyword

Re-added default connection.
Merge branch 'zhcard_dev' into referral_fix

Conflicts:
	mwana/apps/smgl/fixtures/initial_data.json