tests: teach get-with-headers.py some new tricks
We add the ability to specify arbitrary HTTP request headers and
to save the HTTP response body to a file. These will be used in
upcoming commits.
Differential Revision: https://phab.mercurial-scm.org/D1921
%include map-cmdline.default
[templates]
changeset = '{cset}{branches}{bookmarks}{tags}{lphase}{parents}{user}{ldate}{summary}\n'
changeset_verbose = '{cset}{branches}{bookmarks}{tags}{lphase}{parents}{user}{ldate}{lfiles}{lfile_copies_switch}{description}\n'