pager: move pager-initiating code into core
No functionality change.
A previous version of this API had a category argument on
ui.pager(). As I migrated the commands in core, I couldn't come up
with good enough consistency in any categorization scheme so I just
scrapped the whole idea. It may be worth revisiting in the future.
mercurial (__VERSION__) __CODENAME__; urgency=medium
* Automated build performed by upstream.
-- Mercurial Devel <mercurial-devel@mercurial-scm.org> __DATE__