EHN: User warning for scale/units difference
Merge branch 'apply_function' of https://github.com/pburdet/hyperspy into ENH_apply_function
Add next method to progressbar
BUG-FIX: a second progress bar was overwritten the previous one in the IPNotebook an IPQtConsole
Merge branch 'ENH_progress_bar' into ENH_apply_function
Merge pull request #129 from francisco-dlp/ENH_progress_bar

Enh progress bar
BUG-FIX: mixing AstroML package in setup.py
BUG-FIX: missing doc/api/* entry in .gitignore
Merge branch 'master' into ENH_apply_function
Rename Signal.apply to Signal.apply_function, add support for non-vectorial
function and variable arguments, User Guide documentation and tests.