diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..cfbd023
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,7 @@
+CMAKE_MINIMUM_REQUIRED (VERSION 2.8)
+
+INCLUDE (ExternalProject)
+
+ExternalProject_Add (core
+                     SOURCE_DIR ../core
+)
diff --git a/core b/core
index 31ed529..04fdba3 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 31ed52958d013e00e6160470afbd4765f4e7885e
+Subproject commit 04fdba3fdc15048f8af25131ef6587209c0a8bd5
diff --git a/data-example b/data-example
index fc285cd..911db8e 160000
--- a/data-example
+++ b/data-example
@@ -1 +1 @@
-Subproject commit fc285cdce59db5650b2513ed2831cad5c37005f5
+Subproject commit 911db8e37b5b310e4e30f2c0f33941277f2a3f83
diff --git a/desktop b/desktop
index bb985a9..3cb9e5c 160000
--- a/desktop
+++ b/desktop
@@ -1 +1 @@
-Subproject commit bb985a96e0dc095a0534d027ad19e2fae98ace67
+Subproject commit 3cb9e5ce989a01eebee277ce95a0b1163792b382
diff --git a/latex-struct b/latex-struct
index 01cc801..23cf589 160000
--- a/latex-struct
+++ b/latex-struct
@@ -1 +1 @@
-Subproject commit 01cc801d4103ab93549678b410a21c6513212863
+Subproject commit 23cf58988443a0f01be18204126e0b372ad62823
diff --git a/object-example b/object-example
index 453a888..29817dd 160000
--- a/object-example
+++ b/object-example
@@ -1 +1 @@
-Subproject commit 453a888472784eb5c05ffa66216c20d88cab85da
+Subproject commit 29817dd27b23aa7e934795ff242c70482a1667fa