10 new icons

Bitbucket, Envato, Flattr, Khan Academy, MySQL, Picasa, Pocket, Quora,
Rdio, Wikipedia
Merge pull request #98 from danleech/dev

10 new icons
Updated to new GitHub mark
Merge pull request #102 from danleech/dev

Updated to new GitHub mark
Update readme.md
Updated Vine logo to isolated V
Merge pull request #106 from danleech/dev

Updated Vine logo to isolated V
Updated readme
Updated readme
Updated readme
Added AngelList and Twitch
Added AngelList and Twitch
Updated readme
Added new json file
Updated Spotify to new logo
Updated readme
Added Xing
Fixed two typos in json
Added AIM, Microformats and Zerply
Fixed JSON error