File "rules" has instructional text as comments near top.
2) Convert all text files in repo to LF line ending form.
Any checkout done with "rules" in play will convert the working
tree to native line ending, while keeping repo as LF line ending.
Pcbnew: cleaning code in block.cpp, and modifye previous way to calculate block size in block command, because old way creates unexpected behavior in block rotate and block flip.
Pcbnew: Fix a bug in plot silkscreen layers.
Cvpcb: Fix compilation issue under MACOX