schematic: make it more readable

- VCC is up
- GND is down
- group the parts by functionality and use net name
- separate decoupling capacitors
- arrange groups from left input to right output

Change-Id: I2d894dd10b8b619ccbce1ae8b7e25316963157c8

hardware/kicad/SIMtrace.pro

@@ -1,4 +1,4 @@
-update=Di 27 Aug 2019 16:29:29 CEST
+update=Di 03 Sep 2019 14:46:50 CEST
 last_client=kicad
 [general]
 version=1
@@ -44,3 +44,13 @@ EquName1=devcms
 [eeschema]
 version=1
 LibDir=
+[schematic_editor]
+version=1
+PageLayoutDescrFile=
+PlotDirectoryName=../pcb/schema/
+SubpartIdSeparator=0
+SubpartFirstId=65
+NetFmtName=
+SpiceAjustPassiveValues=0
+LabSize=50
+ERC_TestSimilarLabels=1