Fixed commit: Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Update Jekyll installation on the server
  Adding goodworklabs and paramisoft logos
  Added associate plus spot.
  Using the standard color for sponsors heading
  Adding sponsor blog for codebrahma
  1. Sponsors section has equal weight as speakers. 2. "Current" in "Current Sponsors" is inappropriate.

(cherry picked from commit c21d890cd415e3e4a56047abc47a6dfcb0f76526)

Conflicts:
	_includes/sponsor-logo-grid.html