[MERGE] Minor help fixes for add, commit, export

[Alexander Belchenko]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Alexander Belchenko пишет:
> Alexander Belchenko has voted +1 (conditional).
> Status is now: Semi-approved
> Comment:
> It seems that there is 2 blank lines in examples for merge. I think we
> need one blank line as logical delimiter.

Hmmm. Real patch has 1 blank line. But BB shows 2.
Strict +1.

[µ]
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (MingW32)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iD8DBQFGE1ITzYr338mxwCURApPoAJ9GV0jdZjiPfgVPTKvWMuOylngRLgCfVzfP
xlNx388cjCtXhytQuG/6iVg=
=UFje
-----END PGP SIGNATURE-----