Added missing contributors

see release 1.2 changelog:
Urban Müller
Engelke Eschner

Signed-off-by: Eric James Michael Ritz <lobbyjones@gmail.com>
Fix indentation for closures

Credit for this fix goes to Jakub Jankiewicz who provided not only the
bug report but also the solution of removing php-unindent-closure.

GitHub-Issue: Fixes #145
added missing constants for padding
Offer a prompt for documentation search
Add support for extended TAGS format

as produced by the tag tool in github.com/tekai/tools/
Prepend mode to auto-mode-alist to avoid other modes