[Meera] Add missing 'psts' rule for r2 'ൄ'

Signed-off-by: Rajeesh K Nambiar <rajeeshknambiar@gmail.com>
[Meera] Fix 'സ്പ്ല' rendering - added new glyph

Signed-off-by: Rajeesh K Nambiar <rajeeshknambiar@gmail.com>
[Meera] Reinstate 'psts' rule with 'half' forms for Ya and La instead of 'akhn'
Required for old pango (due to Halant shifting). Test case ലഭ്യമാണ്, മുഖ്യമന്ത്രി
This reverts 36ee3a71f222543382f7205098912eb830d196ce and partially 178e74990840ab0f5ddc110c4db1083b09d0e96e

Signed-off-by: Rajeesh K Nambiar <rajeeshknambiar@gmail.com>
Add stacked glyph for 'ജ്മ'. Test case 'അജ്മീര്‍'.
Resolves bug http://savannah.nongnu.org/bugs/?39687

Signed-off-by: Rajeesh K Nambiar <rajeeshknambiar@gmail.com>
[Rachana][mlm2] Add 'akhn' rule for ജ്മ

Signed-off-by: Rajeesh K Nambiar <rajeeshknambiar@gmail.com>