Added gosimple/slug - URL Slugs

URL-friendly slugify with multiple languages support.
added coop by @rakyll
Merge pull request #90 from tschundeee/patch-1

Added gosimple/slug - URL Slugs
Update README.md

Add gorethink - Go language driver for RethinkDB
Update README.md
Merge pull request #92 from bryfry/patch-1

Add gorethink - NoSQL DB Driver for RethinkDB
Add gpm on Package Management section.
Add cayley
Alphabetized many entries
Merge pull request #93 from romanoaugusto88/add_gpm

Add gpm on Package Management section.
Merge pull request #94 from hoffoo/master

Add cayley
Add gom on Package Management section.
Merge pull request #95 from romanoaugusto88/add_gom

Add gom on Package Management section.
Add goop on Package Management section.
Merge pull request #96 from romanoaugusto88/add_goop

Add goop on Package Management section.
fix alphabetical order
Merge pull request #97 from rhysd/patch-1

Fixed alphabetical order in GUI section