Unify details urls

Use those which are used internally (manly for FalconSublimeTools).
Add tests for the details urls

I decided to allow trailing slashes for now because they seem to work
internally (at least thos package seem to be installable) and quite a
few use it.
add More Layouts
add More Layouts
Added Sublime-VimL
Merge pull request #2924 from unknownuser88/master

add More Layouts
Merge pull request #2925 from SalGnt/master

Added Sublime-VimL
Merge pull request #2926 from thisishuey/master

Add CV3 Build Template to the repository list
Typewriter, multiple builds
Adding LondonUnderground package
Fixing indentation and adding labels
Sorting keys
Fixing indentation
Fixing indentation
Merge pull request #2928 from sabarasaba/LondonUnderground-Package

Adding LondonUnderground package
Add FramerCompletion
Merge pull request #2927 from alehandrof/master

Typewriter, multiple builds
Merge pull request #2929 from awt2542/master

Add FramerCompletion
Merge pull request #2922 from wbond/test_details

Add tests for the details urls
added "GoToAnchor" package