Don't barf on Go pre-release version strings (e.g. 1.2beta1, 1.2rc2).
Merge pull request #474 from mozilla-services/features/support-go-prereleases

Don't barf on Go pre-release version strings (e.g. 1.2beta1, 1.2rc2).
Merge branch 'dev' into features/new-dashboard
Merge branch 'features/new-dashboard' of github.com:mozilla-services/heka into features/new-dashboard
increased the timeout length to be much larger than the pre-emptive kill on the process to prevent intermittent failures in Travis
changed timeout in tests to use Millisecond timeouts instead of full second timeouts to speed up tests
Merge pull request #475 from mozilla-services/features/processchain-timeouts

Features/processchain timeouts
Merge branch 'dev' into features/new-dashboard