acu129092 refactor an existing spec to get rid of a double-describe
acu129092 refactor Rack middleware spec so it actually does unit testing; add pending tests for reading authorization header.
acu129092 add specs for the new behavior of middleware when reading cookies
Merge pull request #16 from rightscale/teal_13_15_acu129092_authorization_header

acu129092 refactor an existing spec to get rid of a double-describe