Updated iframes to google maps api calls

Allows for raster map support, no zoom switching, dynamic legends, etc
etc.
Clean up commented code
Merge completion commit
search box commits.
Changed default map
Fullscreen tweak
margin enlargement
Dynamic title

'location yields' replace with dynamic title
Minor style tweaks
Legend replacement

Preliminary dynamic title
LCC legend finished
re-organized dropdown
Cost legend stubs
Merge finish
symlink to get all maps
Moved javascript into external file
Added evapotranspiration maps

sadly buggy, 13th overlay won't load. (???)
Added willow and poplar yields

Fixed typo in GroundOverlay
Fixed yield_from_sites
Removed maps dropdown

Changed some relative paths, Part 2 of #1763