Remove developer email addresses as requested on the developers mailing
list.
Update source contributor list.
Add place holders for symbol and footprint library contributors.
Remove unnecessary wxT() macros.
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.