acu104862 minor tweak to readme
acu104862 fix broken specs

This broke after the code fix in branch yellow_13_07_acu100796_fix_nested_array_of_hashes_params
In other words, the specs were testing the broken code.
acu104862 use our patched REE version; requires latest rconf version
acu104862 fix 'activesupport' to old version to remain Ruby 1.8.7 compatible
acu104862 use secure rubygems URL
Merge pull request #33 from rightscale/yellow_13_08_acu104862_fix_specs_and_readme

Yellow 13 08 acu104862 fix specs and readme