Add --line-number option to hg annotate (issue506) Line numbers are separated from the last annotation element with a colon, like with many other commands, e.g. (hg) grep or compiler errors. Idea and tests by FUJIWARA Katsunori.

1 files updated, 0 files merged, 0 files removed, 0 files unresolved
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
abort: Permission denied: test-ro-message/b/vehicle