Log Message:
Update to 1.2.1:

This is a bugfix release.

 * fixed version number build from tarball
 * fix allow_read logic for hgweb
 * improve handling of damaged revlogs in verify
 * keep .orig files when resolving
 * clear resolve state properly when rebasing
 * improve --command handling with bisect
 * fix diff against bundles
 * improve fetch logic for inactive branches
 * fix diffstat with notify
 * fix 'synthetic file adds' in CVS conversion