Merge branch 'jn/web'

* jn/web:
  gitweb: whitespace cleanup around '='
  gitweb: Use $hash_base as $search_hash if possible
  gitweb: Make use of $PATH_INFO for project parameter
  Move $gitbin earlier in gitweb.cgi
  Add git version to gitweb output
  gitweb: whitespace cleanup
  gitweb: style done with stylesheet
  gitweb: A couple of page title tweaking
  Fix: Support for the standard mime.types map in gitweb
  gitweb: add type="text/css" to stylesheet link
  Make CSS file gitweb/gitweb.css more readable
  Fix gitweb stylesheet
  Support for the standard mime.types map in gitweb
  gitweb: text files for 'blob_plain' action without charset by default
  gitweb: safely output binary files for 'blob_plain' action
  Move gitweb style to gitweb.css

Author: Junio C Hamano