Turkish translation update by Ayhan Görgülü.

Closes #4080.
Brazilian translation update by Tucalipe.

Closes #4081.
Update .gitignore.
Add fix for backwards terrain shadows by Berg
Eliminate zero values from sensor.ini (set by default anyway)
Fix fireOnMove in weapons.ini, which defaults to 1 and was broken by me in 5bab4fc9
Merge branch 'bugfixes'
remove designable = 0
remove buildPower = 0
remove powerOutPut = 0
remove weight = 0
remove buildPoints = 0
remove hitpoints = 0 from components
remove armourKinetic = 0
remove armourHeat = 0
remove hitpoints = 0 from construct.ini
remove constructPoints = 0
remove range = 0
remove damageable = 1
remove startVisible = 1