python2: bump to 2.7.3

Pyhton 2.7.3 includes several security fixes.
See: http://www.python.org/download/releases/2.7.3/

Also fixes the patch making sqlite optional and remove the symlink patch
(which has been fixed upstream).

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/python/python-2.7-104-optional-tk.patch

@@ -1,6 +1,7 @@
 Add an option to disable the tk module
 
 Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+Signed-off-by: Samuel Martin <s.martin49@gmail.com>
 
 ---
  Makefile.pre.in |   14 ++++++++++----
@@ -42,7 +43,7 @@ Index: Python-2.7.2/Makefile.pre.in
 +endif
 +endif
 +
- libinstall:	build_all $(srcdir)/Lib/$(PLATDIR)
+ libinstall:	build_all $(srcdir)/Lib/$(PLATDIR) $(srcdir)/Modules/xxmodule.c
  	@for i in $(SCRIPTDIR) $(LIBDEST); \
  	do \
 Index: Python-2.7.2/configure.in