[#6422] Removed unncessary info from NOTICE file

All of the removed items are appropriately licensed and do not include
NOTICE files that need to be included.

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#6422] Added LICENSE file for Blueprint and pointer in base LICENSE

License file obtained from:
https://raw.github.com/joshuaclayton/blueprint-css/master/LICENSE

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#6422] Bubbled up LICENSE items from Allura/LICENSE and condensed to pointers

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#6422] Cleaned up LICENSE and NOTICE files and fixed license issues

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#6422] Added missed 3rd-party lib to LICENSE and changed verbiage

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#6422] Removed unneccesary Apache 2.0 item from LICENSE

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#6422] Added asf-release.sh script

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#6422] Use git archive to build release instead of tar directly

Also removed hard-coded version in release template

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#6422] Update CHANGES in release script

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#6422] Improve changelog script to reduce API requests

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>