added a script to automation post hadoop configurations
Merge branch 'b1' of https://github.com/ashrith/install-emr

Conflicts:
	README.md
commiting a new script to manage post hadoop controls
Updated README

Don't need the things to be run on Master anymore. Updated that to an automated script.
updated post hadoop
Merge branch 'b1' of https://github.com/ashrith/install-emr into b1
updated readme
Merge pull request #3 from ashrith/b1

B1
Merge remote-tracking branch 'upstream/master'

Conflicts:
	README.md
	emr-2.4.2/install-post-hadoop