python-matplotlib : Add recipe for matplotlib 1.1.0.

Adding python-matplotlib recipe.  I'm sure many folks will find this useful.

Signed-off-by: Dan McDougall <daniel.mcdougall@liftoffsoftware.com>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>

meta-oe/recipes-devtools/python/python-matplotlib/fix_setup.patch

@@ -0,0 +1,29 @@
+This fixes the dependency checks inside of setup.py since things like
+'import numpy' won't work with bitbake.
+
+diff --git a/setup.py b/setup.py
+index 2f13821..e6d6ed0 100644
+--- a/setup.py
++++ b/setup.py
+@@ -113,12 +113,6 @@ if 1:
+     baseline_images = [chop_package(f) for f in baseline_images]
+     package_data['matplotlib'].extend(baseline_images)
+ 
+-if not check_for_numpy():
+-    sys.exit(1)
+-
+-if not check_for_freetype():
+-    sys.exit(1)
+-
+ build_ft2font(ext_modules, packages)
+ build_ttconv(ext_modules, packages)
+ build_contour(ext_modules, packages)
+@@ -129,7 +123,7 @@ build_tri(ext_modules, packages)
+ 
+ print_raw("")
+ print_raw("OPTIONAL BACKEND DEPENDENCIES")
+-has_libpng = check_for_libpng()
++has_libpng = True
+ 
+ if has_libpng and options['build_agg']:
+     build_agg(ext_modules, packages)

meta-oe/recipes-devtools/python/python-matplotlib/fix_setupext.patch

@@ -0,0 +1,29 @@
+This fixes the numpy import problem in setupext.py using a hard-coded path.
+
+diff --git a/setupext.py b/setupext.py
+index 962cedc..82297c4 100644
+--- a/setupext.py
++++ b/setupext.py
+@@ -176,10 +176,7 @@ if os.path.exists(setup_cfg):
+     except: pass
+ 
+ # For get_base_flags:
+-if options['basedirlist']:
+-    basedirlist = options['basedirlist'].split()
+-else:
+-    basedirlist = basedir[sys.platform]
++basedirlist = [os.environ['STAGING_LIBDIR']]
+ print("basedirlist is: %s" % basedirlist)
+ 
+ if options['display_status']:
+@@ -555,8 +552,8 @@ def check_for_numpy():
+ 
+ def add_numpy_flags(module):
+     "Add the modules flags to build extensions which use numpy"
+-    import numpy
+-    module.include_dirs.append(numpy.get_include())
++    # Hard-coded path for OE since I know this is where numpy's include dir will be
++    module.include_dirs.append(os.path.join(os.environ['STAGING_LIBDIR'], 'python2.7/site-packages/numpy/core/include/'))
+ 
+ def add_png_flags(module):
+     try_pkgconfig(module, 'libpng', 'png')