fixing submodules refs

Change-Id: I05fbb825d0699086debec69573e684576ec3c20c
diff --git a/apps/aaa b/apps/aaa
index ab12a3a..b671f56 160000
--- a/apps/aaa
+++ b/apps/aaa
@@ -1 +1 @@
-Subproject commit ab12a3a67da4b32743c0472771cfd4f5b348d67b
+Subproject commit b671f56959fc8a78fceb00682af90f421031e537
diff --git a/apps/config b/apps/config
index bc51bc2..38c0e4f 160000
--- a/apps/config
+++ b/apps/config
@@ -1 +1 @@
-Subproject commit bc51bc2236ee42db0659c8b8212a1860a2802ff0
+Subproject commit 38c0e4f079e12c265ec1360aeab4e78315c03d5c
diff --git a/apps/igmp b/apps/igmp
index 2d62a52..dfb7232 160000
--- a/apps/igmp
+++ b/apps/igmp
@@ -1 +1 @@
-Subproject commit 2d62a52d6b2b9f2a26837294f3e78352e4a47895
+Subproject commit dfb72323b5500645cdddab4d39ace0577f7a1566
diff --git a/apps/mcast b/apps/mcast
index 9716b34..6d5853b 160000
--- a/apps/mcast
+++ b/apps/mcast
@@ -1 +1 @@
-Subproject commit 9716b3430387498f2bdbb26e5d9ea05f7db3e5fb
+Subproject commit 6d5853bcbaaba5297880d7fb6594b11d95ba4765
diff --git a/apps/olt b/apps/olt
index ac86eba..c347043 160000
--- a/apps/olt
+++ b/apps/olt
@@ -1 +1 @@
-Subproject commit ac86eba94a0710246a1aee0bac32257b393ce678
+Subproject commit c347043dfdac140a41b2723cb7a31048431fa0ff
diff --git a/apps/vtn b/apps/vtn
index 55683df..1774bcf 160000
--- a/apps/vtn
+++ b/apps/vtn
@@ -1 +1 @@
-Subproject commit 55683df7f60d1953310efd90e127c52b0428d225
+Subproject commit 1774bcfb8db19c0bb13c9e9bce0c668cfc605ea3