Updated LDConfig.ldr file

[Steffen]

here is a summary of the differences:

changed RGB codes for the following LDRAW colors:
- Tan (19)
- Magenta (26)
- Flesh (92)
- Earth_Orange (366)
- Fabuland_Brown (450)

newly added LDRAW colors:
- Coral (353)
- Light_Orange_Brown (507)
- Fabuland_Red (508)
- Fabuland_Orange (509)
- Rubber_Green (10002)
- Rubber_Magenta (10026)
- Rubber_Lavender (10031)
- Rubber_Reddish_Brown (10070)
- Rubber_Bright_Light_Yellow (10226)
- Rubber_Dark_Brown (10308)
- Rubber_Dark_Red (10320)
- Rubber_Dark_Azure (10321)
- Rubber_Medium_Azure (10322)
- Rubber_Light_Aqua (10323)
- Rubber_Dark_Orange (10484)

modified associated LEGO Color ID of
- Salmon (12)
- Fabuland_Brown (450) -----------> THIS IS PROBABLY AN ERROR, SEE SEPARTE POST
- Chrome_Gold (334)
- Chrome_Silver (383)
- Metallic_Silver (80)
- Metallic_Green (81)
- Metallic_Gold (82)
- Metallic_Dark_Grey (87)