Fixed bugs in participants index and show views
Pdf working from an external class
added colors for all ticket types
Merge remote-tracking branch 'upstream/release-1' into release-1
Merge pull request #108 from sebarmano/release-1

Added colors for ticket types
clean up comments in importers. add demoday importer & view
Merge remote-tracking branch 'upstream/release-1' into release-1