Bugs corrected in decoding of command line (getopt.c), in the handling of 16 bit files (t1.c and tcd.c) and the calculation of elapsed time for multiple tiles parts (tcd.c and tdc.h).

libopenjpeg/tcd.h

@@ -183,6 +183,8 @@ typedef struct opj_tcd {
 	opj_tcp_t *tcp;
 	/** current encoded/decoded tile */
 	int tcd_tileno;
+	/** Time taken to encode a tile*/
+	double encoding_time;
 } opj_tcd_t;
 
 /** @name Exported functions */