Prop Library [v1.3b]

I forgot to remove prop_static entities that I used to set the default camera position. The update should fix it.

propLibrary_Part_C:
● Now available
propLibrary_Part_C_Lite:
● Now available

I also added some missing props to each part of the library I missed.

propLibrary_Part_A:
● Now available
propLibrary_Part_A_Lite:
● Now available

Also reduced the distance between platforms.

propLibrary_Part_D:
● Minor changes
propLibrary_Part_D_Lite:
● Now available

propLibrary_Part_B:
● Minor changes
propLibrary_Part_B_Lite:
● Minor changes
propLibrary_Part_D:
● Now available