Fix #60: publish.py fails if IPython not installed
Fix #60: publish.py fails if IPython not installed

This fix just surrounds the import statement in __init__.py with try
except. This prevents publish.py from being imported of IPython is not
present.

blink1073/python-matlab-bridge,arokem/python-matlab-bridge,jjangsangy/python-matlab-bridge,jjangsangy/python-matlab-bridge,blink1073/python-matlab-bridge,arokem/python-matlab-bridge,jjangsangy/python-matlab-bridge,blink1073/python-matlab-bridge,arokem/python-matlab-bridge