* Add manual Save feature.

* Fix the incorrect style

* Update the version number
Update the doc to include Vue
Update the doc to give more details on the sync_cycle
Update the doc to include python 3

* Update the LogWriter constructor doc.

* Update the package copy directory.

* Update the version to 0.0.2 (implying beta now)

* Update the vdl_create_scratch_log to python 3 as well.

* Add the support to write documentation in the pybind directly.

* Provide more detail of the API documentations.

* Add C++ and python style check to travis.  
* Update all C++/python code that violate coding standards.

* init comment for sdk

* update comment

avoid copy LogWriter