Added form for notification time checker
Added variable for timer
Added more options
add options for polling interval and disable notification in option page
update background.js to support disable and enable notification
Changed Text
add extension update notification
Merge branch 'development' of https://github.com/anthonylau/crx-bluekiwi-notifications into development
udpate option page URL field to use html5 form validation
Tweaked Styling
remove similar code