Merge pull request #343 from francisco-dlp/BUG_FIX_FEI_reader

Bug fix fei reader
BUG_FIX: Fixes #331, FEI reader reverses: spatial dimensions (second attempt)
Merge pull request #339 from magnunor/ENH_plot_spectra_specify_ax

Enh plot spectra specify ax
Merge branch '0.7.2'
Merge branch 'master' of https://github.com/hyperspy/hyperspy
Merge pull request #344 from francisco-dlp/BUG_FIX_FEI_reader

BUG_FIX: Fixes #331, FEI reader reverses: spatial dimensions
Merge pull request #345 from to266/BUGFIX_repr_utf8

Bugfix repr utf8
FIX TYPO: various typos in signal.save docstring
Fix: EELS edge Mo L1 was missing relevance
Merge remote-tracking branch 'magnus/fix_element_Mo_eels_edge' into 0.7.2