integration: simple agent integration test
Merge pull request #65 from soundcloud/integration-tests

integration: simple agent integration test
Fix dependencies with godep. Fixes Issue #76
Merge in port allocation fixes (#72), which is the first step in completely addressing Issue #57.
.gitignore: special-case entries at the top
Godeps: include _workspace
Merging in fdlimits branch. Fixes Issue #42.
Tooling skips linting vendored files.
Added --run option which specifies the client run directory.  Closes Issue #44. Fixes #73.
Merge branch 'master' into track-host-resources

Conflicts:
	_integration/agent-test-basic/basic_test.go
	harpoon-agent/api_test.go