feat163: show tank icons before equipment icons

on craft equipment screen
bin/data/Language/Polish.lng

STR_SAVE_VOXEL_VIEW
Zrzut ekranu, widok pierwszoosobowy
STR_QUICK_SAVE
Szybki zapis
STR_QUICK_LOAD
Szybkie wczytanie
STR_AUTOSAVE
Tryb automatycznego zapisu
STR_AUTOSAVE_DESC
0 - Wyłączony. 1 - Szybki zapis i wczytanie. 2 - Automatyczny zapis jedynie o 00:00. Wszystkie przyciski zapisu i wczytania są wyłączone. 3 - Taki jak poprzednio, wraz z automatycznym zapisem przy wyjściu z gry.
fix large unit gravity

by not allowing it.
hahaha whoops.
derp, flying units.
Adjust crash site and landing site numbering.
fix units going off-screen and bringing the game to a halt
fix relative damage to units.
stop units falling forever.
avoid any more weird, unforseen circumstances.

that's not really necessary, they'll hit a lookAt() command anyway, this
should just save me from any further problems.
Some small improvements in Basescape interface.
Typo

corrects killedBy() comment
fix pre-movement behaviour
fix ramp behaviour.

going up a level costs one extra TU
Merge pull request #541 from redv/interface

Some small improvements in Basescape interface.
Merge pull request #542 from cfailde/typo1

Typo
Merge pull request #537 from myk002/feat163

feat163: show tank icons before equipment icons
Merge pull request #539 from radius75/Polish.lng

bin/data/Language/Polish.lng
fix some armor values
fix some loftemps entries