Remove deegree-maven-plugin

[lgoltz]

This PR removes the deegree-maven-plugin completely, the configured goals are replaced/removed as follows:

• generate-buildinfo
  • Replaced by adding a manifest to the war deegree-webservices.war, the classes are includes as jar.
• workspace-inplace, generate-portnumber, attach-workspace
  • Replaced by maven-dependency-plugin and build-helper-maven-plugin
• generate-jaxb-catalog
  • Completly removed. Configured in an unsed profile "deegree-maven-plugin".
• assemble-log4j, assemble-console
  • Removed
• test-workspaces
  • Used in deegree-workspace-tests. The tests executed in the plugin was migrated as Junit tests.

Furthermore the tomcat7-maven-plugin was replaced by the jetty-maven-plugin.

The test results are identical to the old test results, except:

• deegree-wmts-tests: three tests less which was executed twice before
• deegree-workspace-tests: tests results were not reported before