Cleanup build dependencies.
* Maven still declares some dependencies that Gradle does not.
Cleaning up Maven dependencies. (1)
* Removed unnecessary use of org.jfree.util.Log in tds
* Removed unnecessary use of commons-logging in tds
Cleaning up Maven dependencies. (2)
Cleaning up Maven dependencies. (3)
* Almost all unnecessary dependencies have been removed.
* Need to work on test/logging next.
Cleaning up Maven dependencies. (4)
* Fixed up logging.
Cleaning up Maven dependencies. (5)
* Replaced "edu.ucar" with "${project.groupId}" wherever possible.
* Fixed all outstanding Maven errors (as identified by IntelliJ).
Cleaning up Maven dependencies. (6)
* Another pass on logging dependencies.
* Rewrote Dap4Print to use JCommander. This allowed me to remove commons-cli from the project.
Cleaning up Maven dependencies. (7)
* Last bit of cruft cleanup. Need to test!