Adds reporting plugin versions
Bumps various dependency versions to current release.
Removes Github downloads-maven-plugin as Github no longer supports downloads.
FCREPO-1189: Error retrieving tomcat dependency in fedora-client tests

Updates to fedora-cargo-plugin 0.3 which now uses the Maven Central provided
version of Tomcat.

https://jira.duraspace.org/browse/FCREPO-1189
Updates docs for 0.7 release