Adds history section to CT PODs

Reviewed-by: NRich Salz <rsalz@openssl.org>
Reviewed-by: NMatt Caswell <matt@openssl.org>

doc/crypto/CTLOG_STORE_get0_log_by_id.pod

@@ -33,6 +33,10 @@ exists in the given CTLOG_STORE, otherwise it returns NULL.
 L<ct(3)>,
 L<CTLOG_STORE_new(3)>
 
+=head1 HISTORY
+
+This function was added in OpenSSL 1.1.0.
+
 =head1 COPYRIGHT
 
 Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.

doc/crypto/CTLOG_STORE_new.pod

@@ -63,6 +63,10 @@ L<ct(3)>,
 L<CTLOG_STORE_get0_log_by_id(3)>,
 L<SSL_CTX_set_ctlog_list_file(3)>
 
+=head1 HISTORY
+
+These functions were added in OpenSSL 1.1.0.
+
 =head1 COPYRIGHT
 
 Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.

doc/crypto/CTLOG_new.pod

@@ -36,6 +36,10 @@ encapsulates information about a Certificate Transparency log
 
 L<ct(3)>
 
+=head1 HISTORY
+
+These functions were added in OpenSSL 1.1.0.
+
 =head1 COPYRIGHT
 
 Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.

doc/crypto/CT_POLICY_EVAL_CTX_new.pod

@@ -75,6 +75,10 @@ CT_POLICY_EVAL_CTX_new() will return NULL if malloc fails.
 
 L<ct(3)>
 
+=head1 HISTORY
+
+These functions were added in OpenSSL 1.1.0.
+
 =head1 COPYRIGHT
 
 Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.

doc/crypto/SCT_new.pod

@@ -178,6 +178,10 @@ L<ct(3)>,
 L<SCT_verify(3)>,
 L<OBJ_nid2obj(3)>
 
+=head1 HISTORY
+
+These functions were added in OpenSSL 1.1.0.
+
 =head1 COPYRIGHT
 
 Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.

doc/crypto/SCT_print.pod

@@ -36,6 +36,10 @@ L<bio(3)>,
 L<CTLOG_STORE_new(3)>,
 L<SCT_validate(3)>
 
+=head1 HISTORY
+
+These functions were added in OpenSSL 1.1.0.
+
 =head1 COPYRIGHT
 
 Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.

doc/crypto/SCT_validate.pod

@@ -38,6 +38,10 @@ checks Signed Certificate Timestamps meet a Certificate Transparency policy
 
 L<ct(3)>
 
+=head1 HISTORY
+
+These functions were added in OpenSSL 1.1.0.
+
 =head1 COPYRIGHT
 
 Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.

doc/crypto/SCT_verify.pod

@@ -28,6 +28,10 @@ verifies a Signed Certificate Timestamp's signature
 
 L<ct(3)>
 
+=head1 HISTORY
+
+These functions were added in OpenSSL 1.1.0.
+
 =head1 COPYRIGHT
 
 Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.

doc/crypto/ct.pod

@@ -39,6 +39,10 @@ L<SCT_validate(3)>,
 L<CT_POLICY_EVAL_CTX(3)>,
 L<SSL_CTX_set_ct_validation_callback(3)>
 
+=head1 HISTORY
+
+This library was added in OpenSSL 1.1.0.
+
 =head1 COPYRIGHT
 
 Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.

doc/crypto/d2i_SCT_LIST.pod

@@ -29,6 +29,10 @@ decode and encode Signed Certificate Timestamp lists in DER format
 L<ct(3)>,
 L(o2i_SCT_LIST(3)>
 
+=head1 HISTORY
+
+These functions were added in OpenSSL 1.1.0.
+
 =head1 COPYRIGHT
 
 Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.

doc/crypto/o2i_SCT_LIST.pod

@@ -33,6 +33,10 @@ decode and encode Signed Certificate Timestamp lists in TLS wire format
 L<ct(3)>,
 L(d2i_SCT_LIST(3)>
 
+=head1 HISTORY
+
+These functions were added in OpenSSL 1.1.0.
+
 =head1 COPYRIGHT
 
 Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.