Merge branch '4ver-master'
update to v0.4.12
have to set IFRAME manually

ichord/At.js/issues/160
fix #178 hide view while clicking somewhere else
change space_after to suffix

Add an `hide_without_suffix` option which will force it not to hide view without
suffix
And apply to contenteditable mode

relate to #162 #164
refactor inserting of contenteditable

close #109
fix caret position error after inserting
update version to v0.5.0
Merge `v0.5.0`
clean up
support bare contenteditalbe in html
Merge pull request #184 from teambition/editable-attr

support bare contenteditalbe in html
Update README.md
change caret version number from 0.1.0 to 0.1

change caret version number from 0.1.0 to 0.1 in jsdelivr.net
Merge pull request #187 from liujiajia/patch-1

change caret version number from 0.1.0 to 0.1
Link to changelog
Merge pull request #188 from adam-lynch/patch-1

Link to changelog
use github's caret.js script link
find atwho-ground-xx element first

issue #194
Prevent JS error when result contain numeric value