Merge pull request #9 from hkivela/master

DeviceGroup refactor, added support for token renewing
Changed version to 1.2
Merge pull request #10 from hkivela/master

Version to 1.2
Connect timeout to one minute. APIDeviceRunState refactor
Version to 1.2.1, static values for timeouts
Merge pull request #11 from hkivela/master

Connect timeout to 60sec, APIDeviceRunState refactor
Merge branch 'devel' of https://github.com/bitbar/testdroid-api into devel
fixed merge errors, fixed cluster XML error
Merge pull request #12 from spawluk-bitbar/devel

Moved APICluster, refactor and code formating, fixed cluster XML format
Check POST code response
Merge pull request #13 from bitbar/master

master to devel
added devices list to cluster
Merge branch 'devel' of https://github.com/bitbar/testdroid-api into devel
Merge pull request #14 from spawluk-bitbar/devel

added devices list to cluster, moved APICluster class
Get new token is old token is about to expire in 10 seconds
Log exception if access_token can't be acquired and set accessTOken to null(if it was expired)
Moved APICluster.java to testdroid-lib
Merge pull request #16 from spawluk-bitbar/devel

Moved APICluster.java to testdroid-lib
Fix #17
Merge pull request #18 from kajdus/devel

Fix #17