adjusted padding to left and bottom of thumbnails in results list; modified spacing of home search box in smaller views; adjusted title line height in results list
changed thumnail adding to margin, added border to image
adding 3 dot divider (fontawesome) on active-facet to separate from close button, for future use once we split the functionality
fixed spacing and padding issues on results page
lightened gray on thumbnail border for results page
Merge pull request #709 from gwu-libraries/t704-UI-padding-and-spacing

T704 ui padding and spacing