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
Updated minimum PHP requirement to 5.4+ to support future changes
Added some initial changelogs
Removed suggested composer packages
Moved some grant related functions into a trait to reduce duplicate code
Updated changelog
Version bump
Merge branch 'release/3.0'

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Removed testing of PHP 5.3
Merge branch 'hotfix/travistest'

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Version bump + changelog
Merge branch 'release/3.0.1'