MAJOR: ssl: bind configuration per certificat

crt-list is extend to support ssl configuration. You can now have
such line in crt-list <file>:
mycert.pem [npn h2,http/1.1]

Support include "npn", "alpn", "verify", "ca_file", "crl_file",
"ecdhe", "ciphers" configuration and ssl options.

"crt-base" is also supported to fetch certificates.
diff --git a/include/common/defaults.h b/include/common/defaults.h
index 3e04f02..1618ab4 100644
--- a/include/common/defaults.h
+++ b/include/common/defaults.h
@@ -74,8 +74,11 @@
 // max # args on a configuration line
 #define MAX_LINE_ARGS   64
 
-// crt-list parsing factor for LINESIZE and MAX_LINE_ARGS
-#define CRTLIST_FACTOR  32
+// maximum line size when parsing crt-bind-list config
+#define CRT_LINESIZE    65536
+
+// max # args on crt-bind-list configuration line
+#define MAX_CRT_ARGS  2048
 
 // max # args on a stats socket
 // This should cover at least 5 + twice the # of data_types