color code nearby locations in the table

Add a check for "nearby" to color code rows in the table;
re-organization of the privacy policy code and launch (null map needs to
get sorted)
Bug fix: plot the study area and samples on the map

made the map static to avoid the null pointer
updated icons for map display of "nearby"

icon for each possible state (sample, oversample, collected, rejected)
that distinguishes between "nearby" and far away; minor cleanup updates
remove legacy file

Deleted file that supported generic drawing (not Google Map)
Update BAS Sampling

Create samples within a square and then filter to the study area
Show user location

Plot the user location on the map and color code table rows that are
"near" the user location
Added links to privacy policy

Added links to Google's terms of service and privacy policy