(Coverity ID 140).

PR: 1803

unsigned long must be attributed to 16-bit support. As we don't support
16-bit platoforms anymore, there is no reason to waste twice required
space on CAST S-boxes (16KB vs. 8KB) or key schedule.

to build the library without -D_CRT_NONSTDC_NO_DEPRECATE. This commit
expands it even to apps catalog and actually omits the macro in question
from Configure.

.DLL, in particular static build. The issue has been discussed in RT#1230
and later on openssl-dev, and mutually exclusive approaches were suggested.
This completes compromise solution suggested in RT#1230.
PR: 1230

PR: 1753
Submitted by: Alon Bar-Lev

PR: 1801
Submitted by: Huang Ying

rely on indirect call to block functions, they are not as fast as
non-consolidated routines. However, performance loss(*) is within
measurement error and consolidation advantages are considered to
outweigh it.

(*) actually one can observe performance *improvement* on e.g.
    CBC benchmarks thanks to optimization, which also becomes
    shared among ciphers.