Update Implicit Grant Type with the following:
 - Added accessTokenTTL variable and setter method
 - Updated response in the completeFlow method to include all required parameters per OAuth2 spec
 - completeFlow function accounts for local grant TTL override
Merge pull request #101 from jackshakes/develop

Update Implicit Grant token TTL and response structure
Removed old build script
Removed nyan cat printer
Make sure $this is returned
Added html coverage
Updated .gitignore
Removed build in DB providers, will be included in separate repos
Added some extra keywords
Merge commit 'bacc9ce316445b0ad1d6f59bef462daa30a0c240'