Added the support for multipart/form-data which is the form to use to import data into custom table.
Implemented a dirty way to workaround intermittent SSL errors caused by
Java 7.

http://stackoverflow.com/questions/14167508/intermittent-sslv3-alert-handshake-failure-under-python
Removed some debug/print lines in multi-part posting.
Improved the qos demo script.
 Added scripts and data files to verify add new columns and activate/inactive column on an existing custom table

Conflicts:
	ML.py
parametrized the demo script
Merge pull request #3 from jocisco/6.0

6.0