[Rachana] Add special characters for typogprahy
        Left Single Quote, Right Single Quote, Left Double Quote
        Right Double Quote, En Dash, Em Dash, Bullet

Signed-off-by: Rajeesh K Nambiar <rajeeshknambiar@gmail.com>
[Rachana] Add Old Style Figures/Numerals

Signed-off-by: Rajeesh K Nambiar <rajeeshknambiar@gmail.com>
[Rachana] Adjust LBearing and RBearing of Arabic and Old numerals

Signed-off-by: Rajeesh K Nambiar <rajeeshknambiar@gmail.com>
[Rachana] Add stacked forms of യ്ച്ച, ല്ച്ച,ഴ്ച്ച

Signed-off-by: Rajeesh K Nambiar <rajeeshknambiar@gmail.com>
Renamed glyphs in Rachana to meaningful names

Most of the vowels and vowel signs were having the default names
like uni0D4E. Renamed them to meaningful names.
Remove the binary file from repo. Makes patch handling easier

Conflicts:
	Meera/Meera.ttf
[Dyuthi] Fix ാം