* let travis build against 3.x
* Cleanup dependencies and bump min version to current LTS
* Makes npm-git push all branches to -preview
* restores releases
* Bumps mime to 2.0.3 (requires node 6+)
* Bumps express to latest version
* Fixes linting issue after upgrade
* Use travis-branch for partial releases
* Adds flow types / Configuration interfaces
* Lets call it options
* Use a single interface to generate the configurations
* Translates options to definitions only if comments are set
* improves logic
* Moves objects around
* Fixes issue affecting logging of circular objects
* fixes undefined env
* Moves all defaults to defaults
* Adds back CLI defaults
* Restored defaults in commander.js
* Merge provided defaults and platform defaults
* Addresses visual nits
* Improves Config.js code
* Adds ability to pass the default value in trailing comments
* Load platform defaults from the definitions file
* proper default values on various options
* Adds ParseServer.start and server.start(options) as quick startup methods
* Moves creating liveQueryServer http into ParseServer.js
* removes dead code
* Adds tests to guarantee we can start a LQ Server from main module
* Fixes incorrect code regading liveQuery init port
* Start a http server for LQ if port is specified
* ensure we dont fail if config.port is not set
* Specify port
* ignore other path skipped in tests
* Adds test for custom middleware setting
* Refactors new Config into Config.get
- Hides AppCache from ParseServer.js, use Config.put which validates
* Extracts controller creation into Controllers/index.js
- This makes the ParseServer init way simpler
* Move serverURL inference into ParseServer
* review nits
