added prawn gem
Merge pull request #84 from sebarmano/release-1

Added specs, requirements in form for participants and auto generated docs
changed class of filter buttons on participants index view
Merge branch 'release-1' into release-1-pdf-renderer
fixed the application form email and country issues
Merge branch 'release-1' of github.com:festivit/festivit into release-1
Merge pull request #85 from obeid/release-1

fixed application email and country issues
Added pdf rendering
Merge remote-tracking branch 'upstream/release-1' into release-1