Second iteration on issue #82 (regex patterns in paths)
Added myself to contributors list
Merge branch 'regex3' of https://github.com/timyates/ratpack

Conflicts:
	ratpack-manual/src/content/chapters/99-about-the-project.md
Merge branch 'regex3' of https://github.com/timyates/ratpack

Conflicts:
	ratpack-manual/src/content/chapters/99-about-the-project.md
Remove redundant initializer.
Inline string building.
Minor style readjustment.
Rename PathBuilder to PathBinderBuilder.