Add missing files to cmakefile

.gitignore

@@ -2,3 +2,4 @@ build/
 Makefile
 bin/
 ui_*
+.idea/

.idea/modules.xml

-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/jupedsim.iml" filepath="$PROJECT_DIR$/.idea/jupedsim.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file

CMakeLists.txt

@@ -109,6 +109,9 @@ set( SRCS
     src/jpsconnection.cpp
     dxflib/src/dl_writer_ascii.cpp
     dxflib/src/dl_dxf.cpp
+    src/UndoFramework/action.cpp
+    src/UndoFramework/actionstack.cpp
+    src/UndoFramework/lineaction.cpp
   )  
 # all header files that should be treated with moc
 set( HDR
@@ -139,6 +142,9 @@ set( HDR
     dxflib/src/dl_creationadapter.h
     dxflib/src/dl_codes.h
     dxflib/src/dl_attributes.h
+    src/UndoFramework/action.h
+    src/UndoFramework/actionstack.h
+    src/UndoFramework/lineaction.h
  
   )