Merge pull request #18 from kunki/master

刪除錯詞、修正讀音、壓縮詞典
wubi86: 刪除與一級簡碼重碼的鍵名字
wubi86: encode phrases.
luna_pinyin: put custom phrase on top of candidate list; disable completion for custom phrase.
jyutping: 箏諍錚睜崢/+zang/, 慷/+hong/, 蝕/+sit/, 冚/+kam/
stroke: repalces 'stroke_simp', 'stroke5'.
*_pinyin: reverse lookup with strokes.