bugfix - stripe statement description too long

and changing "Fees" to "Service fee" for AG $1
- autofill state/city on zip change
- desktop width setup
add employer city/state fields
remove giver and distributor emails from csv report
better cc validation and tab behaviour
background image for the widget
autofill employer location based on ip, during work hours (9-5)
fix employer state label on narrow displays (phones)
use assets pipeline for widget bg image
widget bg fix - fill the width of the screen
widget - small logo at the footer
post-donation, better copy
some compression to new small logo
new logo
checking in large logos for safekeeping
footer homepage ling to open a new window
fix footer on lower-res devices (iphone 5- etc, under 360px wide)
further footer improvement on low-res
widget - various legal and other copy text fixes