test duration for jasmine
inject.js: ping server and do heartbeat before job submission. it seems that slow platforms ( General Georgi Koskov ) can timeout while submitting tests. This is probably because it takes too much time to serialize results(?)
Adding support for Samsung 2013
improving the quality of logos
Merge pull request #37 from maciejblinkbox/master

Jasmine-testswarm integration improvements, samsung 2013 support, improving quality of logos