Bug 1099239 - add reftests to linux64 mulet r=lightsofapollo

This is based off of PR #27 which will need to land first.

Tests are here, which gets to the same point as the version on treeherder on the cedar branch.  Will need some additional work to get it green.

http://docs.taskcluster.net/tools/task-inspector/#y6LKMMWmR9Sr97m6iNaTSw
Pretty sure this is also chunked?