@pooja-salpekar: adding batch form
[Brain/Pooja]: Adding fuctional test structure for add-new-batch
[Brain/Pooja]: changing description field on batch
[Pooja/Brain]: Adding Cancel button to the form
[Pooja/Brain]: Adding GET view code for new batch
[Pooja/Brain]: Saving batch with order
[Pooja/Brain]: Adding POST view code for add new batch
lettuce tests for add batch form
renamed batch-show.js
added js validation on add batch form