Merge pull request #181 from hkivela/devel

Merge with bitbar master
TC-66 fixed LabelGroups and DeviceProperties. Now it have public access
Added LabelsSample.java
Merge pull request #183 from spawluk-bitbar/devel

TC-66 fixed LabelGroups and DeviceProperties. Now it have public access
Merge branch 'master' of github.com:bitbar/testdroid-api into devel
Merge pull request #185 from spawluk-bitbar/devel

master -> Devel
TC-870 Removed id from file, renamed fields
Merge pull request #187 from spawluk-bitbar/devel

TC-870 Removed id from file, renamed fields
TC-886 Added screenshot takeTimestamp, added it to sort
Merge pull request #189 from spawluk-bitbar/devel

TC-886 Added screenshot takeTimestamp, added it to sort
Merge pull request #191 from bitbar/master

Master to devel
Version 1.4.4
Merge pull request #192 from hkivela/master

Version 1.4.4