Legacy print statements are syntax errors in Python 3 but print() function works as expected in both Python 2 and Python 3.
Old style exceptions are syntax errors in Python 3 but new style exceptions work as expected in both Python 2 and Python 3.
* Removes un-used and non-functional code coverage helpers
* Removes un-used release script aliases
* Moves TLS to a lib folder for cleaner directory structure
* Implements start.py as start.js for the GN build
* Adds a re-usable getElectronExec helper for future scripts
* Refactors spec runner to use the helper
* 🔧 Add simple test script
* 📝 Add documentation
* 🔧 It works, use it
* 🔧 Make the linter happy
* 🔧 Check on bootstrap
* Trivial copyediting
s/operation system/operating system/