Merge pull request #92 from OuiShare/preprod

Merge pull request #91 from OuiShare/master
Merge branch 'preprod'
Merge branch 'preprod' of https://github.com/OuiShare/OuiShare-Fest
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removes application.yml from ignored files
Adds application.yml with eventbrite API keys
Merge remote-tracking branch 'origin/master' into karim-preprod
Change API credentials
Adds email notification