hgweb: revert to showing file instead of offering for download

mercurial/hgweb/request.py

@@ -87,7 +87,7 b' class wsgirequest(object):'
         headers = headers.items()
         headers.append(('Content-type', type))
         if filename:
-            headers.append(('Content-disposition', 'attachment; filename=%s' %
+            headers.append(('Content-disposition', 'inline; filename=%s' %
                             filename))
         if length:
             headers.append(('Content-length', str(length)))

tests/test-webraw.out

@@ -1,7 +1,7 b''
 200 Script output follows
 content-type: text/plain
 content-length: 157
-content-disposition: attachment; filename=sometext.txt
+content-disposition: inline; filename=sometext.txt
 
 This is just some random text
 that will go inside the file and take a few lines.