Added warnings for branding

CoreApp/CMakeLists.txt

@@ -234,6 +234,7 @@ if (APPLE)
         else()
           # Use default icon
           set ( APPLE_BUNDLE_ICON ${BRANDING_DIRECTORY}/../Icons/OpenFlipper_Icon.icns CACHE FILEPATH "Path to the Bundle Icon" )
+          message (WARNING "Branding directory found but no branding icon called OpenFlipper_Icon.icns. Using default icon! You can set your icon via APPLE_BUNDLE_ICON")
         endif()
      ENDIF(NOT APPLE_BUNDLE_ICON )    
  
@@ -245,6 +246,7 @@ if (APPLE)
        else ( EXISTS ${BRANDING_DIRECTORY}/mac/Info.plist )
          # Take default plist from OpenFlipper
          set ( APPLE_INFO_PLIST ${CMAKE_CURRENT_SOURCE_DIR}/../installer/mac/Info.plist CACHE FILEPATH "Path to the Info.plist file for Bundle" )
+          message (WARNING "Branding directory found but no branding plist file found. Using default. You can set your own plist via APPLE_INFO_PLIST")
        endif( EXISTS ${BRANDING_DIRECTORY}/mac/Info.plist )
      ENDIF(NOT APPLE_INFO_PLIST )