Update sanscript.js

Gujarati - 
   based on feedback from ken patel
           changed symbols - danda to full stop
           added other - no nukta
  for hindi conversion
           added 'skip'
Tamil
         Changed numbers to 0-9 instead of tamil 
         added  லுʼ லூʼ எ ஏ ஐ ஒ for RRi RRI LLi LLI