* HooksRouter is enabled by default
* Adds middleswares on PromiseRouter, fixes#2410
* Move testing line to helper
* Modernize middlewares.js
* Moves DB uniqueness initialization to DBController, modernize
* Moves testing related code to spec folder
* remove unused _removeHook function
* Adds tests, docs for Analytics and improvements
* nit
* moves back TestUtils
* Move helper.clearData to DatabaseAdapter. Expose DatabaseAdapter in index
* fix indentation
* Export DatabaseAdapter in index.js
* Rename clearData to destroyAllDataPermanently. Only export destroyAllDataPermanently from DatabaseAdapter. Update helper
* Expose wrapped TestUtils from index.js. TestUtils exposed select functions from other modules, only in test environment