Diagonal elevation and minor fixes

Correct counting of elevation diagonals. Closes #161.
Don't modify elevation based on movement type if autodetect movement is disabled. Closes #155.
Add basic GURPS token speed attributes. Closes #160.
Correct error re undefined values.filter method that occurred on some browsers that do not support most recent Javascript.
Update Polish, Italian, and Brazilian Portugese translations. Closes #153. Thanks @GregoryWarn, @Kharmans, and @Lioheart!
Fix for dragonbane token speed. Thanks @xdy!

What's Changed

• Fix dragonbane support by @xdy in #157
• Update V0.9.10 it.json by @GregoryWarn in #154
• v0.9.10 by @Kharmans in #152

Full Changelog: 0.9.11...0.9.12