phabricator: include branch in the phabread output

Depends on D6301

Differential Revision: https://phab.mercurial-scm.org/D6302

hgext/phabricator.py

@@ -636,7 +636,8 b' def phabsend(ui, repo, *revs, **opts):'
 # Map from "hg:meta" keys to header understood by "hg import". The order is
 # consistent with "hg export" output.
 _metanamemap = util.sortdict([(b'user', b'User'), (b'date', b'Date'),
-                              (b'node', b'Node ID'), (b'parent', b'Parent ')])
+                              (b'branch', b'Branch'), (b'node', b'Node ID'),
+                              (b'parent', b'Parent ')])
 
 def _confirmbeforesend(repo, revs, oldmap):
     url, token = readurltoken(repo)