* fc/remote-hg: (50 commits)
remote-hg: add support for --force
remote-hg: add support for --dry-run
remote-hg: check if a fetch is needed
remote-hg: trivial cleanup
remote-helpers: improve marks usage
remote-hg: add check_push() helper
remote-hg: add setup_big_push() helper
remote-hg: remove files before modifications
remote-hg: improve lightweight tag author
remote-hg: use remote 'default' not local one
remote-hg: improve branch listing
remote-hg: simplify branch_tip()
remote-hg: check diverged bookmarks
remote-hg: pass around revision refs
remote-hg: implement custom checkheads()
remote-hg: implement custom push()
remote-hg: only update necessary revisions
remote-hg: force remote bookmark push selectively
remote-hg: reorganize bookmark handling
remote-hg: add test for failed double push
...