* Disable nodeIntegration
* Enable contextIsolation
* Re-implement the CSP security check to handle running in
contextIsolation
* Disable bad DCHECKS for the promise helper
* Remove the unused "-d" flag for the electron binary
* Added a way to hide the default help output for electron devs who
don't want to see it every time
* Add promise helper and change whenReady to be native impl
* remove commented code
* add GetInner helper to dedupe promise code
* add Promise.reject helper to be consistent with JS
* fix linting
* update promise impl per feedback
* remove param name from unused isolate
* Use non-depreceated resolvers for promises
* Add thread dchecks for promise helper, intiialize promise pointer to nullptr
