Fix. update submodule
Fix. fix unittest for loop
Fix. detectMoving have to handle acceleration directly.
Imp. Reduce number of publishing.

This commit changes format version of publishing message.
2,(x),(y),(z),(x),(y),(z),(x),(y),(z),(x),(y),(z)...(up to 63 bytes)..
Merge pull request #17 from ikeyasu/issue-13-reduce-number-of-publish

Imp. #13 Reduce number of publishing.