#38 and #33
view tweaks
removed dead/unused code
hid radius field
#27. Convert between utc and local time when pulling from/pushing to db
made list views contain both time and name
fixed date/time display in lists. made lists two-column
fixed #23
made begin and end buttons for surveying activity. currently does not allow buttons on more than the survey fragment
message updates for export, ala #35
updated version
Refactored/updated location usage. #37
fixed bug with filling observable fields for sightings
tweaked menus and removed unused constants