ENH: animate legend
Move stacking_history to _internal_parameters.
Automatic style corrections courtesy of autopep8.
Rename _internal_parameters -> _Internal_parameters
Merge branch 'master' into Reorganize_Metadata
Make hdf5 write _internal_parameters when version = 1.1
Automatic style corrections courtesy of autopep8.
EHN: sum instead of integrate for line intensity
ENH: doc and test
Automatic style corrections courtesy of autopep8
Merge pull request #205 from pburdet/ENH_integrate_vs_sum

EHN: sum instead of integrate for line intensity
DOC: doc_str
Merge pull request #201 from pburdet/ENH_animate_factors

ENH: animate legend plot loadings
BUG-FIX: Signal.decomposition was not raising an exceptions when attempting to decompose a signal with navigation_dimension < 2. Also, clarify this requirement in the User Guide.
Merge branch 'master' into Reorganize_Metadata
Merge pull request #208 from francisco-dlp/BUG_FIX_decompsition_wrong_nav_dim

BUG-FIX: Signal.decomposition was not raising an exceptions when attempt...
BUG-FIX: DictionaryTreeBrowser was raising an exception when setting an attribute with a seemly invalid name.
Merge pull request #209 from francisco-dlp/BUG_FIX_DictionaryTreeBrowser

Bug fix dictionary tree browser
Add metadata structure tree to User Guide.
Rename metadata.TEM -> metadata.Acquisition_instrument.TEM and metadata.SEM to metadata.Acquisition_instrument.SEM.