modified: I modified the problem that If you create a new tab, page action is not show.
ver 1.0.1
Changed: I changed the process that get version when the extensions is updated.

Added: I add .gitignore.
Modified: I modified the errors that have issued by jshint.

Changed: I added a display text for to judge a tab or a bookmark when omnibox is ran.
ver 1.0.2
Changed: update Readme.md.