new feature: if ctx==NULL in SSL_CTX_ctrl perform syntax checking only for some operations (currently curves and signature algorithms)

previous cbc128.c commit].

leave comment about CTR mode.

place at a time, by pre-processor in .S case and perl - in .s).

aggressive ASI.

multi string components (as used in DN fields or request attributes)
or change the values of existing ones.

by 30-20%.

suggestions from David Miller.

from David Miller.