[boshiamy] redraw statusline when toggle boshiamy status
[boshiamy] remove behavier that <ESC> resets IM
Merge branch 'boshiamy_im' into develop
[boshiamy] add [n]<ESC><ESC> to reset IM status
[boshiamy] refine code
Merge branch 'boshiamy_im' into develop