HOTFIX: Use file name and not paths for excludes
Add clean to build
FIX: Don't build Hive in assembly unless running Hive tests.

This will make the tests more stable when not running SQL tests.

Author: Patrick Wendell <pwendell@gmail.com>

Closes #439 from pwendell/hive-tests and squashes the following commits:

88a6032 [Patrick Wendell] FIX: Don't build Hive in assembly unless running Hive tests.
HOTFIX: Ignore streaming UI test

This is currently causing many builds to hang.

https://issues.apache.org/jira/browse/SPARK-1530

Author: Patrick Wendell <pwendell@gmail.com>

Closes #440 from pwendell/uitest-fix and squashes the following commits:

9a143dc [Patrick Wendell] Ignore streaming UI test
(cherry picked from commit 7863ecca35be9af1eca0dfe5fd8806c5dd710fd6)

Signed-off-by: Patrick Wendell <pwendell@gmail.com>