Version bump for 3.4.1rc1.
Added tag v3.4.1rc1 for changeset c67a19e11a71
Post-release version bump for 3.4.1rc1.  Sorry it's late!
Merge.
Rebuild pydoc topics.
Version bump for 3.4.1.
Added tag v3.4.1 for changeset c0e311e010fc
Don't grow strings by concatenation.  Use ''.join() instead.
Null merge 3.4.1 (and 3.4.1rc1) release-engineering revisions.
Merge.
Merge.
merge