Check in various utility modules and scripts.
Add signal generation and IO modules.
Add tests, fix imports.
Remove all pyc files.
Fix problems with eps() function.
Add setup.py.
Add license, readme docs.
Tidy up gen_test_signal documentation.
Improve type management in mpower() function.
Clean up module documentation.
Wrote nose tests for numpy_extras and fftfilt.
Moved usage demos to examples/ directory.

--HG--
rename : tests/test_remez_filt.py => examples/remezord_demo.py
rename : tests/test_signalio.py => examples/signalio_demo.py
Remove demos from tests/ directory.
Remove scripts.
Tidy up documentation.
Remove matwav.py (D. Cornapeau's audiolab scikit is more versatile).
Add manifest generation file.
Move signalio tests to tests/

--HG--
rename : examples/signalio_demo.py => tests/test_signalio.py
Add test_utils, scipy_utils.
Add installation instructions.
Fix problem with plot_encoded.
Make figure name optional in plot_compare.
Add more complex-argument special functions.
Update INSTALL.txt instructions.
Rearrange source code so that it resides in a subdirectory
structure identical to that assumed on installation.

--HG--
rename : __init__.py => bionet/utils/__init__.py
rename : gen_test_signal.py => bionet/utils/gen_test_signal.py
rename : info.py => bionet/utils/info.py
rename : numpy_extras.py => bionet/utils/numpy_extras.py
rename : pylab_extras.py => bionet/utils/pylab_extras.py
rename : scipy_extras.py => bionet/utils/scipy_extras.py
rename : signal_extras.py => bionet/utils/signal_extras.py
rename : signalio.py => bionet/utils/signalio.py
rename : test_utils.py => bionet/utils/test_utils.py
Set version to 0.1.
Update to handle special elementary values.
Decibels should be 20*log10().
Update install info.