Commands update

* Test command now can run individual stories
* Test Story command removed
* Added Routes command
Test result centralises test workflow
More stats
Coverage, work in progress
Route usage stats, work in progress
Show failed stories
Build command, work in progress
Updated external dependencies
Use JSONpath dev-master
Reusing elements from Shade project that are needed for build command to work
Build command, work in progress
Testing preparation
Story groups, work in progress

* Added StoryDiscoverer, so it can be mocked
* Supprot for story sorting (01. 02. 03. etc)
* Extracting story groups from story paths
Proper story sorting implemented
First successful build
Build command, work in progress
Story is properly formatted now
Nice display of respone code and content type
Prev and Next navigation is working properly
Improvements

1. All files are grouped in API version
2. Properly link to stylesheets from grouped stories
3. Properly link between stories from grouped stories