* fc/remote-hg:
remote-hg: strip extra newline
remote-hg: use marks instead of inlined files
remote-hg: small performance improvement
remote-hg: allow refs with spaces
remote-hg: don't update bookmarks unnecessarily
remote-hg: add support for schemes extension
remote-hg: improve email sanitation
remote-hg: add custom local tag write code
remote-hg: write tags in the appropriate branch
remote-hg: custom method to write tags
remote-hg: add support for tag objects
remote-hg: add branch_tip() helper
remote-hg: properly mark branches up-to-date
remote-hg: use python urlparse
remote-hg: safer bookmark pushing
remote-helpers: avoid has_key