[+] add reset.css
[+] add varaible to tooltip, trigger and placement attribute
[+] add tooltip on focus to jade template
[+] add trigger on focus
[+] add tooltips on focus, change # to javascript:void(0)
[*] set default attribute to 'tooltip'
[+] animation mixin
Merge branch 'master' of https://github.com/treeskar/pure-tooltip