* changed jison acceptable versions
* added await support
* wrong function bug fix
* added tests for async/await
* invalid to have await, yield(from) in same function
* changed error handling and tests
* bug fix
* made error handling test more rigorous
* consolidated harmony test files
* added async constructor support and tests
* removed .orig files
* Fixed browser testing issue
* Minor cleanup
* Async test-suite and Cake support, simplified/removed funky tests
* Skip async/await tests when not supported in runtime
* cleanup
* Replaced polyfill with native JS async/await
* Oops
* Make 'async' reserved word
* Remove all async polyfills
* fix merge conflict
* make async testing opt-in
* restore test, remove confusing polyfill language
* Revert changes to test runners
* Only run async tests where async/await is supported (Node 7+ with --harmony, for now)
* remove 'async' from JS reserved words
* The async tests should use their own special async-capable version of `global.test`, which is only loaded for the async tests and only loaded by async-capable environments
* Reverting rename of `async`, it’s not a reserved word so there’s no longer a need for this change
* async test refactoring and additions
* oops
* sync
* better error reporting for `await`
* more stuff geoffrey wants
* fixed litcoffee tests
* change test title
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