Change the positioning of the 'has data' icon. Give a slight shadow to
the download button to make it look more clickable. Give the filter
sidebar more whitespace at the bottom to signify that it is the bottom
i.e. not scrollable
Merge branch 'master' of https://code.nceas.ucsb.edu/git/nceas-staff/datadepot.git
Change the height of the filter sidebar when collapsed