Added the PFS priority string option.
no need to keep separate priority lists for export ciphersuites (they are no longer available).
gcrypt: add Salsa20/20 cipher

Signed-off-by: Dmitry Eremin-Solenikov <dmitry_eremin@mentor.com>
gcrypt: add verify_params implementation

Signed-off-by: Dmitry Eremin-Solenikov <dmitry_eremin@mentor.com>
documented parameters
inverse check for cipher ok and priority.
added mkdir
do not require localtime
mention that new padding is currently a gnutls extension
don't ignore errors when copying resumption values
Do not try to parse arbitrary objects as certificates.
removed unused code
Sync with TP.
gnulib only contains lgplv2 modules
more files to ignore
included programs no longer depend on GPL/LGPLv3 elements of gnulib to prevent their accidental inclusion in the library.
bumped version
AES-GCM is preferred always
No longer recommend the use of RC4
Corrected access of temp file. Reported by Thomas Witt.