18758 - Packages created by the plugin packager need to require specific versions

In the past packages created by the plugin packager would have a >=
dependency on the common package.

This commit changes this to a = dependency.
18758 - Packages created by the plugin packager need to require specific versions

changelog
19141 - mco plugin package fails to build packages in 2.2.2

In the past the code generating the dependencies in the debian control
file was overly complicatd and prone to error.

This commit cleans up the dependency generation in the debian control
file, simplifying it and making it less prone to error.
19141 - mco plugin package fails to build packages in 2.2.2

update changelog