Use more recent version of Python for documented examples

docs/src/reference/compilation.rst

@@ -35,7 +35,7 @@ have some details for your system.  Here we give an example on a Linux
 system::
 
     $ gcc -shared -pthread -fPIC -fwrapv -O2 -Wall -fno-strict-aliasing \
-          -I/usr/include/python2.5 -o yourmod.so yourmod.c
+          -I/usr/include/python2.7 -o yourmod.so yourmod.c
 
 [``gcc`` will need to have paths to your included header files and
 paths to libraries you need to link with]

docs/src/tutorial/appendix.rst

@@ -17,8 +17,8 @@ Appendix: Installing MinGW on Windows
     http://support.microsoft.com/kb/310519
  4. Finally, tell Python to use MinGW as the default compiler
     (otherwise it will try for Visual C). If Python is installed to
-    "c:\\Python26", create a file named
-    "c:\\Python26\\Lib\\distutils\\distutils.cfg" containing::
+    "c:\\Python27", create a file named
+    "c:\\Python27\\Lib\\distutils\\distutils.cfg" containing::
 
       [build]
       compiler = mingw32

docs/src/userguide/numpy_tutorial.rst

@@ -122,7 +122,7 @@ file should be built like Python was built. Python documentation for writing
 extensions should have some details. On Linux this often means something
 like::
 
-    $ gcc -shared -pthread -fPIC -fwrapv -O2 -Wall -fno-strict-aliasing -I/usr/include/python2.5 -o yourmod.so yourmod.c
+    $ gcc -shared -pthread -fPIC -fwrapv -O2 -Wall -fno-strict-aliasing -I/usr/include/python2.7 -o yourmod.so yourmod.c
 
 ``gcc`` should have access to the NumPy C header files so if they are not
 installed at :file:`/usr/include/numpy` or similar you may need to pass another