Update hindi_b.js

Latest update. Dated- 20/10/2014. I have left the "Remote Harvesting" part in English itself. Rest of the new parts that was added has been updated to Hindi. Kindly include it in the Beta. Thanks for all your hard work devs and for bringing NEM to where it is now :)
Merge pull request #138 from iaminitnow06/patch-3

Update hindi_b.js