Updates to use system xerces and xml-security-c-devel

diff --git a/shibboleth/opensaml2 b/shibboleth/opensaml2
index 3fb6248..bab09c8 160000 (submodule)
--- a/shibboleth/opensaml2
+++ b/shibboleth/opensaml2
@@ -1 +1 @@
-Subproject commit 3fb624804b2b8355446a132b71ed4899c127d0bf
+Subproject commit bab09c84ae8251be0c9192fc9e2729464f5d6719

diff --git a/shibboleth/resolver b/shibboleth/resolver
index 8f26ebe..6d35f0e 160000 (submodule)
--- a/shibboleth/resolver
+++ b/shibboleth/resolver
@@ -1 +1 @@
-Subproject commit 8f26ebea48249a80c1c0458389bfbc84e5bd8795
+Subproject commit 6d35f0ec87aa6a54e3d0a1db6e5dab86f2b7f36f

diff --git a/shibboleth/sp b/shibboleth/sp
index 19da02e..0a9ddad 160000 (submodule)
--- a/shibboleth/sp
+++ b/shibboleth/sp
@@ -1 +1 @@
-Subproject commit 19da02ebe4dce4c08666e7b7c38d011dc53c8ffd
+Subproject commit 0a9ddadc097d07ab0245929924eea64b21e61c2f

diff --git a/shibboleth/xmltooling b/shibboleth/xmltooling
index a6c298a..ad7a6a5 160000 (submodule)
--- a/shibboleth/xmltooling
+++ b/shibboleth/xmltooling
@@ -1 +1 @@
-Subproject commit a6c298a3f8f10edca954b03d497da6970132e8b7
+Subproject commit ad7a6a5109ca27aadf85fa88f36ea90cb08ec007