Add homepage redirect configuration

-COLAB_HOME_URL in settings.py sets the homepage redirect, empty to
ignore configuration

Signed-off-by: Gustavo Jaruga Cruz <darksshades@gmail.com>
Add default home to dashboard

-Sets colab old home as Dashboard
-Default setting of home to dashboard

Signed-off-by: Gustavo Jaruga <darksshades@gmail.com>
Moved COLAB_HOME_URL higher in the file
Poped username from UserUpdateView
Merge branch 'popout_username' into 'master'

Popout username

Just overwritten init method in order to pop username field out of UserUpdateView
Renamed index to dashboard
Merge branch 'colab_home_redirect' into 'master'

Colab home redirect

Settings COLAB_HOME_URL indicates the homepage redirect page, empty if default homepage.
Added google analytics tracking option
Removed debug code
Removed width. Should be set automaticaly.
Use same protocol to gravatar requests
Fixed gravatar protocol
Updated mailman-api to version 0.2.9
Clone over https hidden
Using JS to hit SSH button on clone options
Select clone over SSH by default