Added Gitter badge
Move st2client setup from pbr to setuptools

Use default setuptools instead of pbr for more control on versioning. Remove pbr from requirements.
Add "Changelog" section to the documentation.
Allow st2client setup to be run from other dir

Get realpath to setup.py and then change to the directory where setup.py is located.
Merge pull request #801 from StackStorm/STORM-716/st2-version

Move st2client setup from pbr to setuptools
Merge pull request #796 from gitter-badger/gitter-badge

Add a Gitter chat badge to README.md
Merge pull request #803 from StackStorm/add_changelog_to_docs

Add "Changelog" section to the documentation
Add README.md as description to st2client package
Fix st2client deb package

The st2client deb package was created but did not install correctly on ubuntu resulting in error pkg_resources.DistributionNotFound error when executing /usr/bin/st2. This update to st2client Makefile uses stdeb with the bdist_deb option to create the deb package.
Merge pull request #804 from StackStorm/STORM-716/st2-version

Fix st2client packaging
Fix st2client deb package
Merge pull request #805 from StackStorm/STORM-716/st2-version

Fix st2client deb package
Hack to fix st2_deploy.sh
Merge pull request #806 from StackStorm/pwh/st2client_pkg_name

Hack to fix st2_deploy.sh
Merge branch 'master' into v0.5.2-testing

* master:
  Hack to fix st2_deploy.sh
  Fix st2client deb package
  Fix st2client deb package
  Add README.md as description to st2client package
  Allow st2client setup to be run from other dir
  Add "Changelog" section to the documentation.
  Move st2client setup from pbr to setuptools
  Added Gitter badge
Test resource pythonactions should be in pack format