Author: Michael Bruck <mbruck@digenius.de>

    - jtag.c: consolidate output scan field initialization in scan functions
    - jtag.c: add cmd_queue_scan_field_clone() to handle 1:1 field copies
    - jtag.c: fix bug where only the first output field in a dr scan has its tap field set



git-svn-id: svn://svn.berlios.de/openocd/trunk@1864 b42882b7-edfa-0310-969c-e2dbd0fdcd60