Fixed import for timebase in statesp.

Signed-off-by: Clancy Rowley <cwrowley@princeton.edu>
Added missing module scope for warn in statesp.

Signed-off-by: Clancy Rowley <cwrowley@princeton.edu>
Numpy array style access to state-space subsystems.

Signed-off-by: Clancy Rowley <cwrowley@princeton.edu>
Updated testing suite to work with nosetests.

This required doing chmod -x * to remove executable permissions on
the scripts. I renamed test_all.py to run_all.py so nosetest wouldn't
attempt to run it as a test if someone made it non executable.

Signed-off-by: Clancy Rowley <cwrowley@princeton.edu>
Move src to control.

Makes nosetest use local module instead of installed.

Signed-off-by: Clancy Rowley <cwrowley@princeton.edu>
xferfcn.py pep8 formatting

Conflicts:
	control/xferfcn.py

Signed-off-by: Clancy Rowley <cwrowley@princeton.edu>
Ignore generated files

Signed-off-by: Clancy Rowley <cwrowley@princeton.edu>
Merge branch 'master' into jgoppert
Move tests to control/tests
Add standard Numpy testing

setup.py and runtests.py taken from SciKit example at
http://scikits.appspot.com/example
Add support for Travis CI