Start Rüsh Release.
Add the installation section.
Drop PHP5.3.
Add branch-alias.
Translate into English.

Thanks @jubianchi for the review!
Fix links, markup, translate @id and fix typos.

Thanks @marmotz for a review!
Update to PHP5.4.
Add links around hoa://.
Merge branch 'documentation' into incoming
Remove from/import and update to PHP5.4.
Add some tests.
Merge branch 'from_import' into incoming
Fix API documentation.
Add soundness test.
Hoa\Regex is required.
Check soundness of other samplers.
Add the `getCompiler` method.
Hoa\Json has been released.
Move test into Hoa\Json.
Add a skipToken generator.