Add dependency (again?)

Author: hirunatan

README.md renamed to README.rst

@@ -18,10 +18,10 @@
     packages = find_packages(),
     install_requires=[
         'distribute',
+        'python-magic >= 0.4.2',
     ],
     setup_requires = [
         'versiontools >= 1.8',
-        'python-magic >= 0.4.2',
     ],
     classifiers = [
         "Programming Language :: Python",