Adding support for libhttp-parser

Signed-off-by: Ramanathan Sivagurunathan <ramzthecoder@gmail.com>
openconnect: when serverhash or cafile are present, set --no-system-trust

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>
Merge pull request #570 from ageekymonk/libhttp-parser

Adding support for libhttp-parser
ocserv: updated to 0.8.8 and added dependency on libhttp-parser

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>
ocsev: define _XOPEN_SOURCE when search for or using crypt()

Resolves #544

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>