Update Gemfile source to silence Bundler warnings

Bundler wants use to use HTTPS.

Bundler considers it to be more secure.

Bundler must be appeased.

Change-Id: Ic21166760f84e91a61ec444106af5ca2a87926f2
Reviewed-on: https://gerrit.causes.com/29987
Reviewed-by: Shane da Silva <shane@causes.com>
Tested-by: Greg Hurrell <greg@causes.com>
Update styles with new logo, colors, fonts

Change-Id: Icd3aac4e7de3cdb81bd7853a29772c1b714340ce
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Update styles with new logo, colors, fonts
  Update Gemfile source to silence Bundler warnings