Updated opacity comparaison tools
Adding a few examples
Added an OPAL example
Corrected a few errors
Improved prp parser to use less RAM
Added class definition for hdf5 tables
Merge branch 'luli' of github.com:rth/opacplot2 into luli

Conflicts:
	opacplot2/scripts/main.py
Adding tests to opg_hdf5.py
Working on conversion scripts
Merge branch 'luli' of github.com:rth/opacplot2 into luli
Added a test suite to hdf data format