Add cookie methods to WS Response, add a WS Cookie wrapper around the async http cookie.
Mention proper "404" function in docs.
Introduced the native packager plugin in place of the customised "dist" task.
Fixes to get native packager working.

* Remote pattern matching so type error shows up
* Move native packager settings *First* so they don't override play settings on a project.
* Add compile:package-bin to the libraries list in the distribution.
Leverage the packager's makeBashScript key and other tweaks
Bump native packager to latest milestone.

* Update PlaySettings to bat file is generated
* Bump milestone build of native package

Use native-packager java-application archetype for packaging (for now).

* Annotate types on public members in PlayCommands
* Ensure script has executable permissions
* Update to use java_application settings rather than just base packaging.
Moved to 0.6.0 of the native packager and integrated with native packager script production
Documentation and tests for the new "dist" behaviour
A little help for the compiler to speed things up
Some clarifications around what is required for invoking a script.
Update the git location to be current, rename all instances of Play20 to playframework,
Changes as a result of PR feedback - mostly cosmetic.
JSON Reads max and min combinators should work on any Numeric

Beforehand it only worked on Int
Fixed comment
Removed remaining few incorrect references to Promise.
Upgraded the pipelining the library in order to circumvent a large use of memory given its initial capacity declaration.
Allow PLAY_VERSION to be set from command line when building
Merge pull request #1370 from huntc/pipelining-conserve-mem

Utilise memory usage conservation of the pipelining library
update more docs where Play20 should be replaced with playframework
Point CONTRIBUTING.md to make new issues in Github rather than lighthouse