Grab latest polymer-build tools

- Have polymer-build pull directly from Git
- Change the make file to directly reference the polymer-build script
Pull specific commit of polymer.

- Later commits break TakeOver
Bump Version of TakeOver
Built using AwesomeSocket version .23

- Manually changed core-custom-event-client to use AwesomeWebSocket version
  .23
- Rebuilt the CRX with a specific version of polymer (latest breaks
  things) and version of AWS
The last build.crx didn't seem to take the version

- Repacking again
Latest version with HACKING in it.

- This version does NOT reflect the codebase exactly
- A modification that prevents the polimer elements that already exist
  from reloading was added directly to the build output
- A modification that nulls out WS events was added manually
Merge pull request #4 from glg/upgrade_polymer_build

Test a few theories on fixing the "AW Snap" experienced by some users