* Display "Please wait" while port open in progress

* Display "Card is not initialized" when try to read not NTAG

git-svn-id: svn://192.168.1.162/sw_open/ufr/c%23/ndef_example/trunk/uFR_NDEF_example@6 da4f47e6-969d-42c7-bff4-a0b70a468e23