filll excess inland seas, tighten mountain ranges

- fix mountain range picking getting truncated ranges
- gut edge assembly and high and low connection deciphering
- mountain range drawn along random subpolygons of each subedge. smaller
amount of range hexes, which results in more defined ranges without
looking too linear
- add tributaries to river length for labelling priority
- reduce lakeyness slightly
- fill in excess inland seas
remove vestigial coast expansion variables
add zero ocean option
use latitudes for region climate deviation
fix overlong coast ranges
steam workshop v8
update readme v8
Merge pull request #3 from zoggop/testing

v8