python, python-native: upgrade from 2.6.6 to 2.7.2

python, python-native: upgrade from 2.6.6 to 2.7.2

Rebased these patches to the newer code
	modified:   python-native/nohostlibs.patch
	modified:   python/01-use-proper-tools-for-cross-build.patch
	modified:   python/06-avoid_usr_lib_termcap_path_in_linking.patch
	modified:   python/06-ctypes-libffi-fix-configure.patch
	modified:   python/multilib.patch

Deleted these patches are the are now upstream
	deleted:    python/02-remove-test-for-cross.patch
	deleted:    python/security_issue_2254_fix.patch

Added this patch to python-native
	new file:   python-native/multilib.patch

Updated site config file for python
	modified:   ../../site/common-linux : add ac_cv_have_long_long_format for python
	avoid this error in python:
	Include/pyport.h:243:13: error: #error "This platform's pyconfig.h needs to define PY_FORMAT_LONG_LONG"

Updated default python version
	modified:   ../../conf/distro/include/default-versions.inc

(From OE-Core rev: b284e9a512860b8a8380be80f96cebce6b92ff80)

Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>