updating sapos logo
Issue #68: Changing links texts to glyphicons
styling sapos for the new logo

removing duplicated alert message (alert message is displayed above login form)

removing unnecessary sign_in message for login

changing login error message for users

removing old tiny frog gif and creating a small logo version

allow unauthenticated users to view credits

removing credits from footer

using new logo image as favicon image

UFF credits below content

updated SAPOS logo to a PNG with transparency

flattening top menu navbar

flattening login form
round borders only in the upper part of the main area
removing footer credits
Merge pull request #92 from tiagoamaro/logo_design_pull_request

Atualizar logo do SAPOS para a vencedora do concurso cultural
Issue #31: Generating course schedule
Removing bold from professors' names.
Issue #95: Adding scholarships to grades report
Merge branch 'master' of https://github.com/gems-uff/sapos
Issue #96: scholarship_durations timeline in scholarship
Issue #96: Adding scholarship_durations to scholarship edit page
Issue #96: Adding scholarship_durations table to scholarship show
Merge branch 'master' into feature/12_notifications
Merge branch 'feature/12_notifications' of github.com:gems-uff/sapos into feature/12_notifications
mergeando no master para atualizar a versao base