* Fix assertions in Eeschema when editing net labels, electronic rules check,
and plotting.
* Fix assertion when opening PCB calculator.
* Fix assertions in Pcbnew when changing footprints in footprint properties
dialog and adding or editing text.
Fix dialog title to be "Electrical Rules Checker" to match everywhere else.
Fix all usages of "Erc" to "ERC" consistently.
Move action buttons to bottom of dialog, make Del Markers actually say Delete Markers.
Add tooltips to ERC options matrix buttons to indicate what their current state is, for newb friendliness.
Cleanup ERC options code that for some reason decided to delete the button and recreate it instead of just updating it's bitmap directly.
Rename "Test Erc" to "Run" because you are running ERC and not testing it.
Fix improper usage of SetLabel on a wxTextCtrl instead of SetValue so the ERC totals now work!
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: Drc dialog: fix a old very minor bug.
Added: single click on an item in marker list moves the board graphic cursor on the corresponding marker location on the board
Double clicking is not modified.
Blair Bonnett
Mark Roszko
jean-pierre charras
Dick Hollenbeck
JP Charras and Fabrizio Tappero, fabrizio.tappero
Wayne Stambaugh