some cleanup

Signed-off-by: gregory guy <g-gregory@gmx.fr>

doc/CMakeLists.txt

@@ -1,6 +1 @@
 tde_auto_add_subdirectories( )
-
-#add_subdirectory( de )
-#add_subdirectory( en )
-#add_subdirectory( es )
-#add_subdirectory( fr )

kbiff/pics/CMakeLists.txt

@@ -1,19 +1,6 @@
-install(
+file( GLOB _pics RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.png )
 
-    FILES
-        mini-newmail.png
-        mini-nomail.png
-        mini-oldmail.png
-        newmail.png
-        nomail.png
-        oldmail.png
-        mailbox.png
-        delete.png
-        playsound.png
-        mini-noconn.png
-        noconn.png
-        mini-stopped.png
-        stopped.png
-        
+install(
+    FILES ${_pics}
     DESTINATION ${DATA_INSTALL_DIR}/${PROJECT_NAME}/pics
 )