Merge pull request #185 from avinashcpandey/develop

Added support for discard_data in AMP device_vector + various fixes
Some changes in the Scatter and Gather
Merge pull request #186 from rkskvk/develop

Some changes in the Scatter and Gather
Squashed commit of the following:

commit fe34bd88bd3e2d92577f86012fe646d7e9b29eef
Author: rkskvk <rajendraiisc@gmail.com>
Date:   Fri Apr 18 10:51:53 2014 +0530

    Correct Bolt Documentaition and shift the Merge routines to the Merging group under the Algorithms group

commit 305a4785b7de97c4f7ab72cd471c970ad5d38738
Author: rkskvk <rajendraiisc@gmail.com>
Date:   Thu Apr 17 12:09:36 2014 +0530

    Done the chanegs in the C++AMP .inl files to comply the changes which was made in C++AMP device vector