Merge branch 'jn/maint-do-not-match-with-unsanitized-searchtext' into maint

"gitweb" did use quotemeta() to prepare search string when asked to do a fixed-string project search, but did not use it by mistake and used the user-supplied string instead. By Jakub Narebski * jn/maint-do-not-match-with-unsanitized-searchtext: gitweb: Fix fixed string (non-regexp) project search