Merge pull request #162 from ChrisBeaumont/ipy

Better IPython notebook integration
workaround nxutils deprecation in matplotlib
Merge pull request #165 from glue-viz/staging

remove use of deprecated nxutils
loading Ui files from .ui
move away from .qrc files
More layout tweaks for runtime UI loading
remove unneeded setup.py code
pyqt4.uic.loadUI seems to need absolute headers for custom widgets
sidestep pyqt4 problem
updated gitignore
updated install docs
RGB layout tweaks
coveralls config
Coveralls
glue_application ui a QWidget, not QMainWindow
fix: fix rgb red property return value
IPython console now a MDI subwindow
Workaround PySide segfault
Update travis
Try to workaround Travis issue