Update to address SVG issues

This update addresses an issue with how SVG files were rendered in v2.2.0.

2016 Q2 Artwork Update

624 artwork upgrades.

JS .toShort() patch and new aliases

Includes a small patch to the JS implementation of toShort(), fixing an issue with excluded html tags.
Added aliases for :custard: - :flan: & :pudding:
Added an alias for 👍 :thumbup: and 👎 :thumbdown: plus skin tone versions of those.

JS toShort() and Python updates

Merged PR's #53 and #217

PNG sprite changes & new ascii mapping

Changes to the PNG sprite sheet and CSS in an attempt to fix the poor rendering in the latest release of Chrome.

• 1 pixel padding added in the sprite sheet
• CSS background-position changed from percentage to pixel offset
• CSS width and height changed to 64px
• removed CSS background-size
• removed unnecessary sprite SASS file

Updated ascii and PNG demos to reflect new changes.
Changed :) :-) :] =] =) mapping from 😄 to :slight_smile:
Bumped cache busting param.

updates and fix

Fixed PHP unicode regex.
Bumped cache busting param.
Early addition of Unicode 9.0 FE0F variation modifiers.

2016 Q1 update

265 emoji revisions

javascript static regexp moved to variables

• static regexp in the javascript library moved to variables
• :paw_prints: shortname alias added
• demo copyright dates updated
• cache busting param updated

version 2.0.0

v2.0.0

v2.0.0

patch for handling long codes

Family and couple emoji were only partially being converted in some functions.