Merge lp:~cjwatson/launchpad/upgrade-pygments into lp:launchpad

[Colin Watson]

Upgrade loggerhead to r492, including support for Pygments 2.2.0.

[Colin Watson (cjwatson)]

Rubber-stamping since the underlying loggerhead revisions have all been individually reviewed.

review: Approve

=== modified file 'utilities/sourcedeps.cache'
--- utilities/sourcedeps.cache	2017-12-22 09:59:33 +0000
+++ utilities/sourcedeps.cache	2018-02-21 22:30:52 +0000
@@ -24,8 +24,8 @@
         "[e-mail]-20100715135013-uoi3q430urx9gwb8"
     ], 
     "loggerhead": [
-        490, 
-        "[e-mail]-20160330070547-bbi1jc0pe6mqlquz"
+        492, 
+        "[e-mail]-20180221151136-cfapvzjpo8px3cue"
     ], 
     "lpreview": [
         23, 

=== modified file 'utilities/sourcedeps.conf'
--- utilities/sourcedeps.conf	2017-12-22 09:59:33 +0000
+++ utilities/sourcedeps.conf	2018-02-21 22:30:52 +0000
@@ -13,7 +13,7 @@
 bzr-svn lp:~launchpad-pqm/bzr-svn/devel;revno=2725
 cscvs lp:~launchpad-pqm/launchpad-cscvs/devel;revno=433
 difftacular lp:~launchpad/difftacular/trunk;revno=6
-loggerhead lp:~loggerhead-team/loggerhead/trunk-rich;revno=490
+loggerhead lp:~loggerhead-team/loggerhead/trunk-rich;revno=492
 lpreview lp:~launchpad-pqm/bzr-lpreview/devel;revno=23
 mailman lp:~launchpad-pqm/mailman/2.1;revno=977
 old_xmlplus lp:~launchpad-pqm/dtdparser/trunk;revno=4