Clean up dependencies

[evpaassen]

commons-codec and commons-logging are only used by the commons-httpclient dependency, so there should be no need to specify them explicitly and use different version than required by commons-httpclient.

[vboctor]

+1

[vboctor]

Let's get this updated with re-adding of the logging dependencies.

[evpaassen]

I re-added the dependency on commons-logging. It's a newer version though, as there shouldn't be any breaking changes (see here).