Smilepack

* The ability to download userscripts of older versions of smilepack
* Icons for smilepacks
* Updated meta block in userscripts (autoupdate should work now)
* "Go to category" button for new smiles tab
* Small bug fixes (`Smile.is_suggestion`, caching of userscripts etc.)

* New smiles tab
* Administration page
* Icon uploading and management
* Uploading of multiple smiles at the same time
* Suggestions: user can offer to add a smile to the collection
* Editing and forking of smilepacks
* The ability to create multiple categories with the same name (including empty name) in smilepacks
* The ability to customize the list of websites that the userscript will be enabled
* User-friendly error pages
* Mobile-friendly pages for smilepacks: /view/smphid
* More configurable: compression, chmod, validation of images, favicon etc.
* Many bug fixes (including frontend fixes for Safari, Opera 12 and IE11)

* More manipulations with smiles; selection support; copying of categories
* Real-time preview of smile size
* More user friendly addition of custom smiles
* Added lossless compression of smiles

* First release on PyPI.