python3: bump to 3.4.0rc1

This commit bumps the Python3 package to use Python 3.4.0rc1.

About the patches:

 * The patches below 100 are significantly changed, because like for
   Python 2.x, a good number of improvements have been made in the
   upstream Python for cross-compilation. Therefore, almost all of
   these patches have been modified.

 * All the patches above 100 are simply updated for Python 3.4.0, with
   a small refactoring for the handling of test modules.

The details of the python3.mk changes are:

 * --without-ensurepip to tell Python to not use PIP at build time.

 * Many environment variables are no longer passed, they were specific
   to our cross-compilation patches

 * The fixup of the LIBDIR in the Python Makefile is no longer needed
   since Python has switched to _sysconfigdata.py for distutils
   configuration instead of parsing the Makefile.

 * A new post patch hooks touches the two files generated by pgen to
   make sure they are newer than the pgen sources, which ensures pgen
   is not built/executed.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/python3/python3-006-cross-compile-getaddrinfo.patch

@@ -0,0 +1,21 @@
+Disable buggy_getaddrinfo configure test when cross-compiling with IPv6 support
+
+Signed-off-by: Vanya Sergeev <vsergeev at gmail.com>
+
+---
+ configure.ac |    2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+Index: b/configure.ac
+===================================================================
+--- a/configure.ac
++++ b/configure.ac
+@@ -3423,7 +3423,7 @@
+ 
+ AC_MSG_RESULT($ac_cv_buggy_getaddrinfo)
+ 
+-if test $have_getaddrinfo = no || test "$ac_cv_buggy_getaddrinfo" = yes
++if test $have_getaddrinfo = no || test "$cross_compiling" != "yes" -a "$ac_cv_buggy_getaddrinfo" = yes
+ then
+ 	if test $ipv6 = yes
+ 	then