Updated poms to add http-delegation dependency and build Java sources
Added DateUtils library from Apache's HttpClient
Updated CheckerServletRequest to allow header mutation
Implemented a delegation handler
Merge pull request #231 from rackerlabs/delegation

Add support for Delegation Handler
Exhaustive coverage for getHeader pattern match
Merge pull request #232 from rackerlabs/delegation

Exhaustive coverage for getHeader pattern match
Prep for release.
Merge pull request #233 from RackerWilliams/release_prep

Prep for release
Fixed scm connection.
[maven-release-plugin] prepare release api-checker-1.0.19
[maven-release-plugin] prepare for next development iteration
Inititial TODOs.
Initial checkerFormat direct support.
Updated TODO.
Added @AffectsChecker annotation.
Annotate config checker options, return name/value pairs as Metadata or Map.
Rework passing config params to XSL.
Updated todo.
Added meta-check.xsl, warn if versions in loading checker.