Made plotResPhase a class for easier manipulation
changes to plotResPhase
updating plotting tools
added functions for multiple plots and tools for wsinv3d
added functions to PlotResPhase.py
Added plotting functions and fixed a bug in PhaseTensor
added phase tensor maps
Added to PlotResPhase
Added phase tensor maps
Cleaned up  PlotPhaseTensorMaps
Added functions to PlotStrike
renamed the plotting module to mtplot and changes PlotStrike
Fixed a few small bugs
fixed a few bugs in z and edi and migrating mtplot to deal with new z and edi
Changed getlat,getlon in edi, added zinvariants to analysis and working on mtplot
added versitility to mtplot functions, still working, fixed a few bugs in z
Merge branch 'lk.pt' into jp.imaging

Conflicts:
	mtpy/analysis/pt.py
	mtpy/core/edi.py
	mtpy/core/z.py
Fixed a few bugs in edi, z and pt and added some attributes and methods
Added functionality to mtplot.MTplot
fixed small bug in z