* src/modest-platform.h

   * src/modest-platform.h
   * src/modest-platform.c
   (modest_platform_is_network_folderstore):
   Checks whether a folder store is remote
   * src/modest-ui-actions.c
   (modest_ui_actions_on_move_to):
   Don't try to connect to the internet, leave that for the following
   functions.
   (modest_ui_actions_on_main_window_move_to):
   (modest_ui_actions_on_msg_view_window_move_to):
   Ask for confirmation if the device is offline and the source folder
   is remote

pmo-trunk-r3130