Merge branch 'aliasing' into 'master'

Add prefix aliasing for Click commands

See merge request !158

bob/bio/base/script/bio.py

@@ -3,10 +3,10 @@
 import click
 import pkg_resources
 from click_plugins import with_plugins
-
+from bob.extension.scripts.click_helper import AliasedGroup
 
 @with_plugins(pkg_resources.iter_entry_points('bob.bio.cli'))
-@click.group()
+@click.group(cls=AliasedGroup)
 def bio():
     """Entry for bob.bio commands."""
     pass