Merge pull request #8 from hybridgroup/master

Adds heroku prerequirements
New basic HG identity
Merge remote-tracking branch 'origin' into staging
Merge branch 'clahub-site-new-feeling' into staging
updates GithubRepos#repos to return repositories where the current_user has admin rights and belong to the hybridgroup organization. hides the call-to-action button to create new agreement, redirects to /agreements and shows notice when the user tries to get access to edit, update, new or create agreement when not complying to those requirements
Replaced slider images, style fixes
Logo at main navbar points to hybridgroup.com
Removed footer ToS and Privacy links
deleted irrelevantlicensing information from readme
deleted whitespace
Merge branch 'clahub-site-new-feeling' into staging