Change everything to small footprint.

Currently the board is 20mmX30mm now, much smaller than last on. this
version only finish the footprint and placement.

usb_jtag.pro

@@ -0,0 +1,112 @@
+update=2010年08月19日 星期四 23时11分09秒
+version=1
+last_client=eeschema
+[cvpcb]
+version=1
+NetITyp=0
+NetIExt=.net
+PkgIExt=.pkg
+NetDir=
+LibDir=
+NetType=0
+[cvpcb/libraries]
+EquName1=devcms
+[general]
+version=1
+[pcbnew]
+version=1
+PadDrlX=0
+PadDimH=394
+PadDimV=984
+BoardThickness=630
+SgPcb45=1
+TxtPcbV=800
+TxtPcbH=600
+TxtModV=600
+TxtModH=600
+TxtModW=120
+VEgarde=100
+DrawLar=150
+EdgeLar=150
+TxtLar=120
+MSegLar=30
+LastNetListRead=usb_jtag.net
+[pcbnew/libraries]
+LibDir=
+LibName1=/home/luo/project/Milkymist/jtag/design/jtag-uart
+LibName2=sockets
+LibName3=connect
+LibName4=discret
+LibName5=pin_array
+LibName6=divers
+LibName7=libcms
+LibName8=display
+LibName9=valves
+LibName10=led
+LibName11=dip_sockets
+[eeschema]
+version=1
+LibDir=
+NetFmt=1
+HPGLSpd=20
+HPGLDm=15
+HPGLNum=1
+offX_A4=0
+offY_A4=0
+offX_A3=0
+offY_A3=0
+offX_A2=0
+offY_A2=0
+offX_A1=0
+offY_A1=0
+offX_A0=0
+offY_A0=0
+offX_A=0
+offY_A=0
+offX_B=0
+offY_B=0
+offX_C=0
+offY_C=0
+offX_D=0
+offY_D=0
+offX_E=0
+offY_E=0
+RptD_X=0
+RptD_Y=100
+RptLab=1
+SimCmd=
+UseNetN=0
+LabSize=60
+PrintMonochrome=1
+ShowSheetReferenceAndTitleBlock=1
+[eeschema/libraries]
+LibName1=power
+LibName2=device
+LibName3=transistors
+LibName4=conn
+LibName5=linear
+LibName6=regul
+LibName7=74xx
+LibName8=cmos4000
+LibName9=adc-dac
+LibName10=memory
+LibName11=xilinx
+LibName12=special
+LibName13=microcontrollers
+LibName14=dsp
+LibName15=microchip
+LibName16=analog_switches
+LibName17=motorola
+LibName18=texas
+LibName19=intel
+LibName20=audio
+LibName21=interface
+LibName22=digital-audio
+LibName23=philips
+LibName24=display
+LibName25=cypress
+LibName26=siliconi
+LibName27=opto
+LibName28=atmel
+LibName29=contrib
+LibName30=valves