Expanding description and adding long description.

setup.py

@@ -47,9 +47,12 @@ class CustomBuild(build):
   eigen_flags = ""
 if eigen_flags.startswith("-I"):
   include_dirs.append(eigen_flags[2:].rstrip())
+long_description = open("README.md", "r").read()
 setup(name='raven_framework',
       version='2.2rc3',
-      description='RAVEN and RAVEN c++ dependenciences including A library for computing the Approximate Morse-Smale Complex (AMSC) and Crow probability tools',
+      description='RAVEN (Risk Analysis Virtual Environment) is designed to perform parametric and probabilistic analysis based on the response of complex system codes. RAVEN C++ dependenciences including a library for computing the Approximate Morse-Smale Complex (AMSC) and Crow probability tools',
+      long_description=long_description,
+      url="https://raven.inl.gov/",
       package_dir={'AMSC': 'src/AMSC', 'crow_modules': 'src/crow_modules', 'ravenframework': 'ravenframework'},
       classifiers=['Programming Language :: Python :: 3'],
       entry_points={