Remove affix emoticon merging functionality

These functions are now available from their own repo:
http://github.com/wooorm/nlcst-affix-emoticon-modifier
Update eslint, parse-english
Add link to personal website in `Readme.md`
Add link to nlcst-emoticon-modifier in `Readme.md`
Move `build-emoji.js` to `build-data.js`
Add `build-data.js` to lint-style npm script target
Update changelog for 0.2.0
0.2.0