Revert "Wrap exported functions with execution code."

This reverts commit b50a4df1892952f0cd775aea2c56493dc85f2a94.
Revert "Change SeleniumDriver and EngineManager to to not read files since the engines now do that themselves."

This reverts commit edcb2bbb473e06ae68d859e0c85c2bde48d6860b.
Revert "First Draft - Engine Rewrite to support client side mocha.js."

This reverts commit 6ded4a00a8be5d536f0aff41b12c5e095ed0eb6d.