Added indian tables by sreeja.param@gmail.com

These tables need some improvements before they can go in:
- Integration with Makefile
- Adapt AUTHORS file
- add proper copyright and license headers
- if they are based on previous tables then retain the copyright and the
  license
Add proper copyright and license headers

as specified in
http://www.freelists.org/post/liblouis-liblouisxml/How-to-submit-my-liblouis-code,7
Converted all tables to utf-8-unix
Fix Mesars last name
Add the tables to Makefile.am
Add the authors of the Indian tables to AUTHORS
Add a NEWS entry for the Indian table upgrade
Fix an include statement for the devangari table
Remove the old indian tables that have obvious replacements

| old table | Language        | new table    |
|-----------+-----------------+--------------|
| as        | Assamese        | as-in-g1.utb |
| bn        | Bengali         | be-in-g1.utb |
| gu        | Gujarati        | gu-in-g1.utb |
| gurmukhi  | Gurumukhi       | gurumuki.cti |
| hi        | Hindi           | hi-in-g1.utb |
| kn        | Kannada         | ka-in-g1.utb |
| ml        | Malayalam       | ml-in-g1.utb |
| mni       | Manipuri        | mn-in-g1.utb |
| mr        | Marathi         | mr-in-g1.utb |
| ne        | Nepali          | np-in-g1.utb |
| or        | Oriya           | or-in-g1.utb |
| pa        | Panjabi/Punjabi | pu-in-g1.utb |
| sa        | Sanskrit        | sa-in-g1.utb |
| sd        | Sindhi          | si-in-g1.utb |
| te        | Telugu          | te-in-g1.utb |

There are still more to go
Replace old tables for Awadhi, Braj and Khasi with new ones
Remove tables for Old Newari and Santali to make tests pass

These tables aren't in much use according to Dipendra Manocha and they
conflict with the new Indian tables.
Mention that the tables are from the Indian National Institute for Visually Handicapped
Merge branch 'tables/indian'

Closes #3