Update soft_refresh.js

Added option to soft refresh if the home button is pressed. Also made the tumblr icon optional. (Note: If neither are enabled this extension will do nothing)
Create autoscroll.js

Initial add of autoscroll extension.
Create autoscroll.css
Create autoscroll.icon.js
Update autoscroll.js

Lowered default refresh rate to 50.
Update autoscroll.icon.js

Replaced image that daylight showed to be terrible.
Update xinbox.js

Fixed secondary anon asks getting tagged with their own URL. Also added custom tag when user is anonymous.
Update xinbox.js

Increment revision number to reflect previous updates.
Update soft_refresh.js

Updated version number. Main branch says 0.3 but version in browser says 0.4; The code is the same. I am leaving it at 0.3 but changing revision to B to reflect my changes.
Merge pull request #86 from Fr33dan/master

Add autoscroll and soft refresh functionality. Fix xinbox bug.