Bus upgrades: core new connectivity code
Bus upgrades: eeschema integration and modifications
Bus upgrades: eeschema dialogs
Bus upgrades: netlist export
Bus upgrades: file format changes
... and GetMsgPanelInfo.
Step 4 in the g_UserUnit eradication effort.
Also removes a couple of conversion routines that were close
enough to extinction.
(cherry picked from commit c75da51)
Be consistent with order, formatting, etc.
Remove debug stuff such as zone timestamp and net code.
Clean up misleading pad messages.
(cherry picked from commit 2132109)
Also makes better use of space to significantly increase number
of markers shown.
Fixes: lp:1748676
* https://bugs.launchpad.net/kicad/+bug/1748676
(cherry picked from commit a1d8097)