Added plot_gain_offsets() and plot_fullcalib(). Minor variable assignment changes to  plot_phase_offsets()
Added plot_gain_offsets() and plot_fullcalib().
Minor variable assignment changes to 
plot_phase_offsets()

Former-commit-id: bf06b4416f8cb7e722c1410f9204d16f16c3189f
UCBerkeleySETI/blimpy,UCBerkeleySETI/blimpy