Move a python module to call DIO via rosservice.
Merge pull request #122 from 130s/add_rosservice_for_dio

Move a python module to call DIO via rosservice.
(doc) Move tutorial wiki backup to hironx pkg.
Merge pull request #128 from 130s/mv_tutorial_backup

(doc) Move tutorial wiki backup to hironx pkg.
Address bool operation to fix #129
Fix a hidden bug for DIO command for both arms.
Fix bool operation in test files.
(DIO) separate tests per version.
(DIO) alternate test assertion for simulation.
Merge pull request #130 from 130s/129_handlight

Fix DIO command bugs for spec Aug 2014
Changelog for 0.5.3
Merge pull request #132 from 130s/release_0.5.3

Changelog for 0.5.3
0.5.3
Merge branch 'hydro-devel' into stereo-camera-frames