Added trait for bcrypt and updated pdoAdapter
Created Mong Oauth Adapter and Test
Updated travis file
Added in Verify function and create hash to trait
Merge branch 'mongo/adapter' of https://github.com/manchuck/zf-oauth2 into mongo/adapter

Conflicts:
	src/ZF/OAuth2/Adapter/PdoAdapter.php
Merge pull request #20 from manchuck/mongo/adapter

Mongo/adapter
[#20] Better version comparison

- First, make sure that MongoClient exists; older versions of the Mongo
  extension did not define this class.
- Second, typically you use the constant on the left, and the value you
  wish to compare against on the right with version_compare -- so it
  should read "if the current version is < 1.4.1".
[#20] CS fixes
Merge branch 'feature/20'

Close #20