add a blame alias for annotate
The original cvs command was called blame. SVN has both, and other VC systems
typically also have this as an alias. Makes things easier for converts.
warning on push should mention heads, not branches
This makes the concept easier to relate to similar messages given on pull,
and allows for a distinction between heads and (named) branches.
commands: lock() the repo while unbundling (
issue1004)
patch: fix iterhunks() with trailing binary file removal
Like some renames or copy operations, binary file removal does not generate any
"file" or "hunk" action, but was not tagged as such and let iterhunk() assume
no hunk was applied for the deleted file.