Merge pull request #470 from nelenkov/dev

don't explictly check for AD cookie, it's not used anymore
preparing for maintenance release
Merge pull request #471 from nelenkov/master

preparing for maintenance release
Merge branch 'master' of https://github.com/AndlyticsProject/andlytics into dev
Merge pull request #472 from AndyScherzinger/dev

2.5.5 release changes master-->dev
Achartengine update 1.0.0-->1.1.0
Update README.md
Merge pull request #473 from AndyScherzinger/dev

Achartengine update 1.0.0-->1.1.0
moved last update to the top, changed look of load more comments button
Merge pull request #474 from AndyScherzinger/dev

moved last update to the top, changed look of load more comments button