Merge pull request #80 from geekygirldawn/master

added better description of the types of talks we are looking for and ad...
Adding sponsor info for 2015
updated logo and cleaned up a bit, added traditional hamburger icon and moved twitter block around so we don't have the nested blocks anymore
Merge pull request #81 from richardj/master

updated logo and cleaned up a bit, added traditional hamburger icon and ...
Extending CFP
updated site with sponsor section and initial logos
Merge pull request #82 from walterheck/master

updated site with sponsor section and initial logos
Initial Sponsor list
Adding Canonical as sponsor
Adding Martin Alfke.de as sponsor
Add The Scale Factory as bronze sponsor
Merge pull request #83 from jtopper/master

Add The Scale Factory as bronze sponsor
Adding ansible as silver sponsor
Adding chef
SaltStack logo
Delete SaltStack
SaltStack logo
Merge pull request #84 from rglauser/master

SaltStack logo
Adding Saltstack as sponsor
Reordering Silver