Merge branch 'pymatlab-0.2'

This merge makes the ctypes variant of pymatlab the master branch.
markovg_emul additions will be put aside in a branch called
markovg_emul.
Added support for more datatypes

Now integers of bitlength 8-64 signed or unsigned, single and double precision
floats, complex numbers (single,double) and logical arrays are supported.

Releasing pymatlab-0.2.2
Adding metadata and copyright data

Copyright information according to GPLv3 and meta data for the distribution. Fixing the bad import.
small fixes

replaced tabs to spaces