chore(master): release 3.1.5

:robot: I have created a release beep boop

add 2 more links to try from GA WCS if timing out & prints out where the DEM was downloaded from (92f73a5)
add catchall exception to mapdata_parse_structure & comment code (59c677c)
add test for all structures less than 360 (f08c42a)
allow 2 minutes for server connection & add add available ga server link (900a50d)
avoid double imports (3347751)
create the tmp file function missing (55688fe)
ensure all dipdir vals < 360 (cf21a6b)
fix for altitude not being saved properly in LPF (b2c6638)
make the templates a bit easier to fill out (81f54fe)
move location of the PR template (9209c25)
return just column with new vals instead of inplace modification (722b98c)
revert back to original (6ed00c9)
revert back to original timeout (301242f)
revert back to original url (26e4971)
update question template (8182e50)
update tests that depend on server to skip in case server is unavailable (646be9e)
use gpd.points_from_xy (2f931c5)
verbose dipdir 360 test name (6ffe6bf)

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