ConcurrentCaller wasn't waiting properly if start() was called again
while it was pausing, so 429 caused an immediate retry, which is pretty
much exactly what you don't want a 429 to do.
- The Mozilla CommonJS loader is no longer available, so bundle the
Fx52 version of it
- Strict mode is enforced
- `this` is only defined as a global object in .jsm files, not .js files
- `this` can't be converted to a string for BackstagePass test, so check
for presence of Components.utils.import instead
- The return value from import() is no longer available
* Use mocha, chai & sinon from the npm. As of sinon 2.0
sinon-as-promised is no longer required so it is removed
* Tweak code to re-use the same loader with the same environment
throghout the code
* Introduce browserify step for testing tools that only provide
node-compatible libraries (sinon, chai-as-promised)
* Introduce copy step for test data to resolve multiple issues with
tests depending on files not being symlinks
* Re-introduce custom implementation of setTimeout to resolve issues
with few tests
* Re-introduce custom Bluebird Promises config & monkey patch
* Add a multi-process, gulp-based build system to support es6 features,
async/await, jsx and scss
* Add a package.json to support dependency management and allow starting
the build process via npm
* Replace embedded Bluebird library with npm-installed one
* Add react, react-dom and web-library
* Introduce a custom require() loader in include.js as well as a minimal
local require() implementation in various other places
- Different constructor parameters
- id property for logging
- fcall() -> start()
- add() to enqueue without starting
- runAll() to run down queue and return promises for all current tasks
- wait() to wait for all running tasks to finish
