oCd Pack PBR

beta 0.4.0 for 1.12 - 1.12.2:
- Lots of small texture fixes not listed here
- Iron and gold blocks are now labPBR compliant, more to come in the future

Color / Animation / Texture adjustments:

Normal glass / glass pane:
Now has a slight green tint

All logs:
Logs of different directions no longer connect

Light grey concrete:
New texture, again

All quartz:
Increased reflectivity

Melon:
New normal map and texture

Observer:
HAL do you read me?

All command blocks:
All new textures, normals and spec maps

dark oak log top:
wood color now matches the color of the logs

Packed Ice:
Increased reflectivity, less apparent outline

Red sand:
less apparent outline

Normal map added:
minecart
chainmail armor
pumpkin
All command blocks
observer

Metallicness / roughness map added:
cobweb
minecart
chainmail armor
pumpkin
All command blocks
observer