Switch to Gravatar for team Avatars

Since Twitter sucks and blocked our
access lets dump their usage entirely
in favor of gravatar hosting

*Some of the email addresses will need to be updated

Change-Id: I36841d22734efab22fe4b622dc014e3bacee8e81

Add email

Signed-off-by: task650 <task650@gmail.com>

Switch to Gravatar for team Avatars

Since Twitter sucks and blocked our
access lets dump their usage entirely
in favor of gravatar hosting

*Some of the email addresses will need to be updated

Change-Id: I36841d22734efab22fe4b622dc014e3bacee8e81

Conflicts:
	res/xml/prefs_about.xml