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This reverts commit 5d46cca0.

In preparation of merging an external contribution that superseedes this

Conflicts:
	ChangeLog

This is meant to minimize/simplify merge conflict between topic branches.

Rationale: if people want to disable RC4 but otherwise keep the default suite
list, it was cumbersome. Also, since it uses a global array,
ssl_list_ciphersuite() is not a convenient place. So the SSL modules look like
the best place, even if it means temporarily adding one SSL setting.

Reading the documentation of ssl_set_truncated_hmac() may give the impression
I changed the default for clients but I didn't, the old documentation was
wrong.