subtle bug solved: no response to the first left click command after opening a dialog box (after an item edition, for instance)

pcbnew: Excellon files use only ascii codes in comments (some excellon parsers do not like I18n)

Modified recent change on svn change: "PCB edge always printed when PCB edge layer not selected" was incorrect for eeschema and gerbview
solved bug 2070228

It is resolved by adding 'Exclude Edges_Pcb layer' check box in 'Print' dialog.

bug solved: netlist calculations could crash eeschema under very rare circumstances. See also changelog

Libs update

improve round-tripping to/from latest Freerouter, see http://www.freerouting.net/usren/viewtopic.php?f=3&t=354