Added Swagger integration:
 - added swagger-ui
 - added examples for REST controllers
 - added `system/api` controller for generate swagger JSON on fly
Updated Swagger comments
Updated Bluz requirements
Updated Postman tests
Updated HTML5 Shiv script to version 3.7.2
Updated Font Awesome to version 4.2.0
Updated Twitter Bootstrap to version 3.3.1
Fixed API doc
Updated version of libraries in composer.json (removed `dev-master`)
Merge branch 'master' of https://github.com/bluzphp/skeleton
Small fixes in example test
Switch to dev-master for coversall
Merge pull request #203 from AntonShevchuk/master

Added Swagger integration