Pyros-setup

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- Preparing for 0.0.4 pypi release. [alexv]
- Using shadow-fixed repo for travis. [AlexV]

This way we can get latest dependency to test latest version of source, which probably makes more sense than testing stable.
- Adding gitignore to hide those .pyc. [alexv]
- Adding useful files for pypi release. [alexv]
- Playing with python sdist and eggs for release on pypi. [alexv]

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- Changing package version to 0.0.2. [alexv]
- Todo comment for detecting default distro. [alexv]
- Added delayed_import_auto to make workspace discovery explicit.
simplified implementation (most methods deal with only one workspace
at a time) improved tests. [alexv]
- Fixing tests. [alexv]
- Better workaround for ros_comm issue 711. [alexv]
- Adding check to teardown module, to make sure roscore is really dead.
[alexv]
- Fixing tests, no matter the time it takes to start/stop processes.
[alexv]
- Adding pyros_test as test dependency. [alexv]
- Adding finally clause to test to cleanup even if tests fail. [alexv]
- Cosmetics. [alexv]
- Adding travis badge. [alexv]

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- Adding rosnode as testdependency. cosmetics. [alexv]
- Fixing tests shutting down properly. [alexv]
- Fix direct import when ROS is already setup now returning
roscore_process when getting master to allow termination. tests still
broken. [alexv]
- Adding nosetests command to travis file. [AlexV]
- Adding travis file. [AlexV]
- Renamed ROS_Master to get_master since we return the same as the rospy
function. [alexv]
- Improved delayed import to work recursively if needed. [alexv]
- Fixed ordered dict to keep env vars ordering and remove checks that
might break this ordering. [alexv]
- Improved __init__ to delay setup and imports. now testing node
starting. moved testpkg in separate repo. [alexv]
- Adding test for core and launch. added base structure for test pkg.
[alexv]
- Addded rospy import test. [alexv]
- First commit, extracted code from pyros. [alexv]