knip.io: Exporting ImgWriter
Merge branch '1.2.1'
increased version to 1.2.2
Increase version to 1.3.0
Update versions of example-plugin and scifio
Merge branch '1.2.2'

Conflicts:
	org.knime.knip.base/META-INF/MANIFEST.MF
	org.knime.knip.core/META-INF/MANIFEST.MF
	org.knime.knip.feature/feature.xml
	org.knime.knip.io/META-INF/MANIFEST.MF
	org.knime.knip.testing.feature/feature.xml
	org.knime.knip.testing/META-INF/MANIFEST.MF
	org.knime.knip.tracking/META-INF/MANIFEST.MF
	org.knime.knip.update/feature.xml