change color schemes to colormaps from matplotlib.cm for 2D
corrections to materials to include omega for sine and fast setup functions for source and materials
added custom source
delted blank spaces
Merge branch 'dev-class'
added setup functions to build Rimeann sources
correction from yi2 to y2i in double fiber
Merge branch 'dev-class'
updated eta in double fiber
convergence tests for maxwell vc 1d
some minor variations to make easy to plot
results of 1D convergence study