Merge pull request #1 from skyxiao/master

new
servo on and set axis parameters when homing
add extend/retract arm and fork vertical/horizontal
add log
2014-06-21 debug
debug 2014-06-22
new requirements
Merge pull request #2 from skyxiao/master

modify
Merge pull request #3 from skyxiao/master

historydata
Merge pull request #4 from skyxiao/master

new2
data record is ok
Merge pull request #5 from skyxiao/master

new3
Merge pull request #6 from skyxiao/master

log modify
fix bug that program crash when exit and out of range of StepElapseTime.
Merge branch 'master' of https://github.com/fourone1111/acmrcsh
Merge pull request #7 from skyxiao/master

modify resolution ratio
Merge pull request #8 from skyxiao/master

modify1
add more log for debug