Fix filerevision-raw.tmpl

Two bugs:
- conteXt-type instead of conteNt-type
- trailing newline

The easiest way to fix the second one (and keep it fixed) is to put
everything inline in map-raw.

templates/filerevision-raw.tmpl

@@ -1,4 +0,0 @@
-Context-type: #mimetype#
-Content-disposition: filename=#file#
-
-#raw#

templates/map-raw

@@ -8,7 +8,7 @@ diffline = '#line#'
 changesetparent = '# parent: #node#'
 changesetchild = '# child: #node#'
 filenodelink = ''
-filerevision = filerevision-raw.tmpl
+filerevision = 'Content-Type: #mimetype#\nContent-Disposition: filename=#file#\n\n#raw#'
 fileline = '#line#'
 diffblock = '#lines#'
 filediff = filediff-raw.tmpl