Tables for Afrikaans, Hawaiian, Maori and Cherokee

thanks to Greg Kearney

TODO: check for errors and add tests
Added the tables to Makefile.am
Language code for Maori is "mao" not "moa"
Add Ken Perry to the right section in the AUTHORS file
fixup 8929363
Cherokee: fix a few issues with accents and such

thanks to Greg
Add a preliminary agenda for the maintainers meeting
en-us-g1.ctb and en-ueb.g1.ctb are now able to display 8 dot unicode braille.
Merge branch 'master' of github.com:liblouis/liblouis
Remove maintainers.org
Add a test for Cherokee

extracted from information provided by Greg: see
http://www.freelists.org/post/liblouis-liblouisxml/Updated-Cherokee-table,3
Updated Tamil test data with new tests.

tests/harness/ta-ta-g1_harness.txt added 4678 new tests.
Added Arabic test harness data.

tests/harness/ar-ar-g1_harness.txt added 4467 new tests.
Added Farsi test harness data.

tests/harness/ar-fa_harness.txt added 2106 new tests.
Clean up include statements and remove duplicate rules
Add a NEWS entry for the new tables
Fix the order in the Makefile
Fix a typo in a table name
Merge branch 'master' into tables/ueb
Change the license to LGPLv2.1+

Greg gave me permission to distribute the files under public domain (see
http://www.freelists.org/post/liblouis-liblouisxml/Fwd-Re-License-of-Afrikaans-Cherokee-Hawaiian-Maori-Sotho-and-Tswana-tables).
To align the license with the rest of the tables I am changing the
license of his tables to LGPL version 2.1