Update 201311252105

- added sfmod_plugin.js and uploaded it as a custom script
- sfmod.js will load sfmod_plugin as a custom script on the page.
- added reset button on the button's list on top center to reset the
data whenever the data is damaged
- changed the image of the case status button, settings button, and
reset button to that of the images found on the mediamind platform as
loading the image assets from the extension is not possible to retrieve.