Submenu mobile scrolling
Merge pull request #66 from audreyt/multi-level-fix

Submenu mobile scrolling
* Fix #64; in xs (<768) screens, clicking submenu would toggle visibility of its children items.
* Fix #56.
Don't generate audio-id for single character without exact pronunciation auido
Merge pull request #68 from audreyt/single-char-audio-id-fix

Don't generate audio-id for single character without exact pronunciation auido
Add '-f -' to explicitly indicate the archive is coming from stdin

This fixes translation target on FreeBSD.
* Import full mandarin category list from @poga.
* Favicon.ico; closes #69
* Implement #70 using Kai, Sung and Hei/Ming for different parts of result. Also make the single-word title entry clickable for stroke animation. Suggested by: @蘇朝明 @isabelhou @pofeng @ethantw
some fixes
襯線標點字體以搭配`<h1>`使用的楷體
改用Han.css v2.1版本的`@font-face`設置
* Remove file.app log
* Use pencil sign instead of "畫" for better discoverability; suggested by: @蘇朝明
* We do not need the history.go hack anymore; reported by @lanfon72.
* Prefer horizontal ㄧ
* Regen styles
* Improve right-angle layout and prefer Kai spacing
* More small tweaks