REORG: ssl: move ssl configuration to cfgparse-ssl.c

Move all the configuration parsing of the ssl keywords in cfgparse-ssl.c
diff --git a/Makefile b/Makefile
index 24fccf2..5e535ef 100644
--- a/Makefile
+++ b/Makefile
@@ -542,7 +542,7 @@
 ifneq ($(USE_DL),)
 OPTIONS_LDFLAGS += -ldl
 endif
-OPTIONS_OBJS  += src/ssl_sock.o src/ssl_crtlist.o src/ssl_ckch.o
+OPTIONS_OBJS  += src/ssl_sock.o src/ssl_crtlist.o src/ssl_ckch.o src/cfgparse-ssl.o
 endif
 
 # The private cache option affect the way the shctx is built