Add a test for captured values being concatenated.
Add a test for the basic case. Rename the other test.
Merge pull request #779 from rackerlabs/D-16007_patch

D-16007: Update based off of QE recommendations.
Make use-capture-groups explicit.
Ignore the known-failing test until later.
Add a test for separate users.
Add a test for no capture groups in the uri-regex pattern.
Add a test for two similar uri-regex patterns.
Add tests for when use-capture-groups is false.
@Category(Bug) instead of @Ignore.
Merge pull request #781 from izrik/D-15895-regex-capture-issues

D-15895 regex capture issues
D-16007: Lowered HTTPClient version to fix rackspace auth issue.