fix for bug undefined method 'belongs_to' for Impression:Class
Merge pull request #53 from elfassy/master

Fix model inconsistency
update to v1.2.0
force rails generator file overwrite
travis jruby19
how add mongoid on README.MD

I have added a brief explanation of how to work with Mongoid odm instead of ActiveRecord

Thank  you!
Update README.md
Merge pull request #64 from hyperrjas/master

how add mongoid on README.MD
merge with upstream