Put ground planes under the analog stuff

Also remove some non-ground planes under them.

Change-Id: Iaa5e33303ac66288920a82cfc6e38251b1fef921
diff --git a/motors/big_schematic/power.pcb b/motors/big_schematic/power.pcb
index 3ac1d39..e6d6b2c 100644
--- a/motors/big_schematic/power.pcb
+++ b/motors/big_schematic/power.pcb
@@ -9,7 +9,7 @@
 PolyArea[3100.006200]
 Thermal[0.500000]
 DRC[8.50mil 10.00mil 10.00mil 8.00mil 11.81mil 8.00mil]
-Flags("nameonpcb,alldirection,clearnew,snappin,locknames")
+Flags("nameonpcb,clearnew,snappin,onlynames")
 Groups("1,c:2:3:4,s:5:6")
 Styles["Signal,10.00mil,36.00mil,20.00mil,10.00mil:Power,25.00mil,60.00mil,35.00mil,10.00mil:Fat,35.00mil,70.00mil,45.00mil,10.00mil:Skinny,6.00mil,24.02mil,11.81mil,6.00mil"]
 
@@ -2603,17 +2603,17 @@
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-		[3130.00mil 1355.00mil] [3140.00mil 1345.00mil] [3140.00mil 1080.00mil] [2520.00mil 1080.00mil] 
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-		[2325.00mil 1355.00mil] [2335.00mil 1345.00mil] [2335.00mil 1080.00mil] [1715.00mil 1080.00mil] 
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 )
 Layer(3 "signal3")
@@ -2648,7 +2648,7 @@
 	Line[3260.00mil 2175.00mil 3200.00mil 2115.00mil 10.00mil 20.00mil "clearline"]
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 	Line[3310.00mil 2085.00mil 3525.00mil 1870.00mil 25.00mil 20.00mil "clearline"]
-	Line[3340.00mil 1340.00mil 3340.00mil 1645.00mil 55.00mil 20.00mil "clearline"]
+	Line[3340.00mil 1340.00mil 3340.00mil 1645.00mil 55.00mil 20.00mil ""]
 	Line[3525.00mil 1870.00mil 3525.00mil 39.0561mm 25.00mil 20.00mil "clearline"]
 	Line[3525.00mil 39.0561mm 3470.00mil 37.6591mm 25.00mil 20.00mil "clearline"]
 	Polygon("")
@@ -2668,17 +2668,31 @@
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-		[3140.00mil 1080.00mil] [2520.00mil 1080.00mil] 
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 Layer(4 "bottom")
@@ -2890,6 +2904,10 @@
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 		[2290.00mil 1080.00mil] [1615.00mil 1080.00mil] 
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 Layer(5 "outline")
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