The openocd-0.6.0 release.

Change-Id: I72eeabfc704d2a979ac0b4492771690631d2300f
Signed-off-by: Freddie Chopin <freddie.chopin@gmail.com>

configure.ac

 AC_PREREQ(2.60)
-AC_INIT([openocd], [0.6.0-rc2-dev],
+AC_INIT([openocd], [0.6.0],
   [OpenOCD Mailing List <openocd-devel@lists.sourceforge.net>])
 AC_CONFIG_SRCDIR([src/openocd.c])