Update AC_PREREQ to 2.69 in configure.ac.
Replace AM_CONFIG_HEADER with AC_CONFIG_HEADERS in configure.ac.
Add AM_PROG_AR to configure.ac.
Update PCSC_NEEDED_VERSION to 1.8.3 in configure.ac.
Add stdio.h to AC_CHECK_HEADERS in configure.ac.
Use uname to return OS in configure.ac.
Replace libusb 0.1.12 with 1.0.8 in configure.ac.
Replace AC_HELP_STRING with AS_HELP_STRING in configure.ac.
Replace ACX_PTHREAD with AX_PTHREAD in configure.ac.
Remove --enable-udev option from configure.ac.
Add --enable-embedded option to configure.ac.
Remove use_usb_interrupt from configure.ac.
Remove udev from configure.ac.
Remove UDEV from src/Makefile.am.
Remove --ifdCapabilities and --bundle from src/Makefile.am.
Import m4/ax_pthread.m4 from ccid 1.4.18.
Import src/convert_version.pl from ccid 1.4.18.
Import src/create_Info_plist.pl from ccid 1.4.18.
Import src/debug.c from ccid 1.4.18.
Import src/debug.h from ccid 1.4.18.