Remove passives
Add models for 0603 passives
More models for passives (RLC)
Add footprints for 0603 R, L, C
Add footprints for 1005 R, L, C
Add footprints for 1608 R, L, C
Add footprints for polarized 1608 cap
Add footprints for 2012 R, L, C
Update readme

Describe layers and IPC compliance
Add missing RESC3216 model
Add footprints for 3216 R, L, C
Add footprints for 3225 R, L, C