fix badge references for 1.0

Badges where still referenced from the master branched.
reflect changes to video uploads in the client

In xabbuh/panda-client 1.1.0, possibilities were added to encode a
video only with a subset of the available profiles. Additionally, the
path under which the video was to be retrieved is configurable and a
payload can be stored together with the video. These changes are hereby
reflected in the panda:video:upload command.
properly handle exceptions in commands

Exceptions being thrown in the client library don't cause the commands
to be terminated unexpectedly, but show a nice error message instead.
update year in the license file
tests for the VideoUploaderExtension class

Adds tests for the upload widget form extension class. It also fixes an
issue where the widget could have been enabled without having set an
identifier.
prepare the 1.0.2 release
Merge branch '1.0'

Conflicts:
	CHANGELOG.md