cleaned up Model_BlockType::getBlockTypeClass() functions
cleaned up Model_BlockType::getBlockTypeClass() functions


Former-commit-id: 8722fe4c2c5164d780a69052db359234817f1c5b
olsgreen/concrete5,mlocati/concrete5,mainio/concrete5,deek87/concrete5,concrete5/concrete5,olsgreen/concrete5,MrKarlDilkington/concrete5,jaromirdalecky/concrete5,biplobice/concrete5,concrete5/concrete5,hissy/concrete5,hissy/concrete5,deek87/concrete5,a3020/concrete5,a3020/concrete5,mlocati/concrete5,haeflimi/concrete5,MrKarlDilkington/concrete5,biplobice/concrete5,triplei/concrete5-8,triplei/concrete5-8,KorvinSzanto/concrete5,jaromirdalecky/concrete5,biplobice/concrete5,deek87/concrete5,haeflimi/concrete5,mlocati/concrete5,jaromirdalecky/concrete5,triplei/concrete5-8,jaromirdalecky/concrete5,rikzuiderlicht/concrete5,mainio/concrete5,haeflimi/concrete5,acliss19xx/concrete5,MrKarlDilkington/concrete5,deek87/concrete5,concrete5/concrete5,acliss19xx/concrete5,biplobice/concrete5,rikzuiderlicht/concrete5,rikzuiderlicht/concrete5,mainio/concrete5,KorvinSzanto/concrete5,hissy/concrete5,hissy/concrete5,KorvinSzanto/concrete5,acliss19xx/concrete5,mlocati/concrete5,haeflimi/concrete5,olsgreen/concrete5,concrete5/concrete5