Fixing documentation to match code
Explicitly typecast to Integer for lazy ruby programers
Merge pull request #4 from ramaboo/develop

Fixes documentation to match code and allows strings or integers to be passed as an app_id
Add support of access keys at the Event Server API that first appeared in PredictionIO 0.8.2
Remove deprecated code
Remove deprecated code
Update Travis CI script
Removed invalid require statement which called a file that no longer existed.
0.8.2 release
Merge branch 'develop'