Merge branch 'release/0.12' into develop

* release/0.12:
  version bumped
UT for pycurl
UT with proxy settings included
proxy test in Make
misc changes
Update README.rst

change the README.rst
Merge branch 'feature/aws_proxy' into develop

* feature/aws_proxy:
  Update README.rst
  misc changes
  proxy test in Make
  UT with proxy settings included
  UT for pycurl
version bumped
Merge branch 'release/0.13'

* release/0.13:
  version bumped
  Update README.rst
  misc changes
  proxy test in Make
  UT with proxy settings included
  UT for pycurl