add doctype
[#73271218] rmeove apple touch icon style
[#73271218] html for doctype icons & icons
[#73271218] show all doctype icon samples
update memory icon size & position, update navbar dropdown style
fix color change in switching "customer", "translator", "developer", "admin"
Merge pull request #31 from gengo/workbench-related-style

Workbench related style update
Merge pull request #32 from gengo/fix-colors

fix color change in switching "customer", "translator", "developer", "admin"
[#73271218] refactoring
[#73271218] update grunt build gengo.css
Merge pull request #27 from gengo/73271218-style-doctype

[#73271218] Style doctype icons
[#73271162] merge conflicts