add license and bump version to 0.9.0

LICENSE

@@ -0,0 +1,18 @@
+
+    ngmix - Gaussian mixture models for 2d images, implemented in python
+
+    Copyright (C) 2010 Erin S. Sheldon
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

kmeans_radec/__init__.py

@@ -1,3 +1,5 @@
+__version == '0.9.0'
+
 from . import kmeans_radec
 from .kmeans_radec import KMeans, kmeans, kmeans_sample
 from .kmeans_radec import find_nearest, cdist_radec 

setup.py

@@ -1,10 +1,12 @@
 from distutils.core import setup
 
-setup(name="kmeans_radec", 
-      url="https://github.com/esheldon/kmeans_radec",
-      description="perform kmeans clustering on the unit sphere",
-      packages=['kmeans_radec'],
-      author="Erin Scott Sheldon",
-      author_email="erin.sheldon@gmail.com",
-      install_requires=['numpy'],
-      version="0.1")
+setup(
+    name="kmeans_radec", 
+    url="https://github.com/esheldon/kmeans_radec",
+    description="perform kmeans clustering on the unit sphere",
+    packages=['kmeans_radec'],
+    author="Erin Scott Sheldon",
+    author_email="erin.sheldon@gmail.com",
+    install_requires=['numpy'],
+    version="0.9.0",
+)