Mark jdbc as test scope, only copy runtime dependencies
Omit unused commons-cli
Stale TODO
Replace commons-codec Base64 with Guava's
Consolidate into Strings
Remove Guice grapher
merge nathanlws: Minor dependency cleanup

Merge pull request #1100 from nathanlws/sql-layer/minor-dependency-cleanup
https://github.com/FoundationDB/sql-layer/pull/1100