Python - Clean up distutils classifiers and package information
Python - Clean up distutils classifiers and package information

Updated development status to beta (from alpha) and added several
new classifiers. Additionally, updated url to kudu.apache.org.

Change-Id: Ie98313df2a939339f4e8a3cbd1b8580d0760e856
Reviewed-on: http://gerrit.cloudera.org:8080/4579
Reviewed-by: David Ribeiro Alves <78b9f953b197533e9b51c860b080869056433b48@apache.org>
Tested-by: Kudu Jenkins

cloudera/kudu,EvilMcJerkface/kudu,andrwng/kudu,andrwng/kudu,helifu/kudu,EvilMcJerkface/kudu,EvilMcJerkface/kudu,andrwng/kudu,andrwng/kudu,helifu/kudu,helifu/kudu,cloudera/kudu,andrwng/kudu,andrwng/kudu,andrwng/kudu,cloudera/kudu,EvilMcJerkface/kudu,cloudera/kudu,EvilMcJerkface/kudu,andrwng/kudu,cloudera/kudu,EvilMcJerkface/kudu,InspurUSA/kudu,helifu/kudu,cloudera/kudu,helifu/kudu,InspurUSA/kudu,InspurUSA/kudu,EvilMcJerkface/kudu,helifu/kudu,helifu/kudu,InspurUSA/kudu,cloudera/kudu,cloudera/kudu,helifu/kudu,InspurUSA/kudu,InspurUSA/kudu,cloudera/kudu,helifu/kudu,InspurUSA/kudu,andrwng/kudu,EvilMcJerkface/kudu,InspurUSA/kudu,EvilMcJerkface/kudu,InspurUSA/kudu