BUG: debug some probs with 3D

update and axis
Merge branch 'ENH_background_for_plot' into NEW_edsSpectrum

Conflicts:
	hyperspy/signal.py
EHN add navigator option in plot()

False provides only slider and and external Spectrum/Image can be provided
Merge branch 'ENH_plot_external_navigator' into NEW_edsSpectrum

Conflicts:
	hyperspy/drawing/mpl_hie.py
	hyperspy/signal.py
EHN small improvement

option in plot_intensity map and improvement of link_standard (more robust)
EHN: plot_Xray_line,

new: plot_Xray_line, annotate spectrum
	deconvolve_intensity, get intensity by deconvolution
	save_result
	get_result

improve: get_intensity_map (old plot_intensity_map )
	top_hat option energy windows non-symmetric
	link_standard, test if file exist
	get_kratio deconvolution
	quant plot_result = False