Merge branch 'hotfix/0.5.2'
Merge branch 'release/0.6.0'
Merge branch 'release/0.7.0'
Merge branch 'release/0.7.1'
Merge branch 'release/0.7.2'
Merge branch 'release/0.7.3'
Merge branch 'release/0.8.0'
Merge branch 'release/0.8.1'
Merge branch 'release/0.8.2'
Merge branch 'release/0.8.3'
Merge branch 'master' of ssh://stash.imko.de:7999/IMP/implib2
Merge branch 'release/0.8.4'
Merge branch 'release/0.8.5'
Little fix for the pep8 setup.py.

Signed-off-by: Markus Hubig <mhubig@gmail.com>
Bumped version number to 0.9.0.

Signed-off-by: Markus Hubig <mhubig@gmail.com>
Merge branch 'release/0.9.0'
Merge tag 'release-0.9.0' into develop

The travis!