fix for sodium-tungstate icon
several fixes and changes

textures for reinforced concrete wall
separated autoplace controls
made some changes

added coal coke
added nickel production chain
updated locale
fixes

fixed nickel-processing icon
added locale for nick carbonyl
cleaned up the techs a bit
added rubber

set CartmenNaturalGas as a dependencie
added butadiene and rubber
v0.5.4
updated version notation
Merge pull request #3 from cartmen180/workingversion

Workingversion