removing mapping from thellier_gui (now an spd module)
preventing lots of divide by zero errors
Prevent thellier_gui from trying to draw SCAT lines when the slope of one of those lines would be zero and break things.
add support to pTRM check after in-field step
fix scat-window bug in thellier_gui
bug fixes and a new generic_magic.py program
minor bug fix
minor bugs
Merge branch 'master' into MagIC_beta

Conflicts:
	generic_magic.py
	thellier_gui.py