Fixes #154: Refactor UAC code out of Executor.

Logic to instantiate UACs has been moved to Venus.js. Executor now emits an event when tests are loaded and ready to be run with a UAC.
Merge pull request #157 from sethmcl/issue_154

Fixes #154: Refactor UAC code out of Executor.
Adding Apache 2.0 copyright notice
Updating version.
Skip .venus folder when parsing test paths
Merge pull request #158 from soonick/issue155

Skip .venus folder when parsing test paths
Fixed WebDriver UAC to work with remote RC hosts and Grids
Merge pull request #160 from sethmcl/issue_159

Fixed WebDriver UAC to work with remote RC hosts and Grids
Releasing version 1.0.31
NPM release 1.0.4
Reverting problems created with commit d53e1586598948344dc76293fd08a6530c960d80
Merge pull request #163 from sethmcl/issue_162

Backing out some executor changes from previous commit
Release 1.0.6
Fixing test failure. Caused by hardcoding repo folder name in string.
Adding build status to readme

Also added link to public mailing list, and cleaned up a grammar issue.