Format improvement
Format updates on readme
Update to Spark v1.1.0.h installs for AMI 3.2.x support.
Adjust install script to support Spark v1.1.0.h with EMR AMI 3.1.x
Update for release v1.1.1.b
Add Spark build v1.1.c, script and readme updates.
Addition of Spark v1.1.1.d to readme and scripts.
Update Spark readme for v1.1.1.d
Update readme for branch-1.2 experimental releases.
Update scripts and readme for Spark v1.1.1.e
Update Spark readme with v1.1.1.e
Merge pull request #22 from christopherbozeman/master

Updates to Spark readme and adjustments to scripts to support AMI 3.2.0-3.2.1 with v1.1.0.h, addition of Spark release 1.1.1 support with build v1.1.1.e