Update readme
adjust evil-shift-width the same as coffee-tab-width in coffee mode
Added ido-invoke options
- open in other window
- open in other frame
Add evil leader on "jk" in insert state
Add evil leader on "jk" in helm buffers
Add evil leader on "jk" in ido minibuffer
Add feature toggle for evil leader on "jk" in ~/.spacemacs
Documentation update for ido + documentation for evil leader on "jk"

in readme
Merge branch 'develop' (v0.11.0)