Correct configuration to generate wheels

.gitignore

@@ -6,3 +6,5 @@ pcigale/data/data.db
 pcigale.egg-info
 docs/_build
 docs/api
+dist/
+build/

setup.cfg

-[egg_info]
-tag_build = .dev
-tag_svn_revision = 1
\ No newline at end of file

setup.py

@@ -43,7 +43,7 @@ setup(
 
     install_requires=['numpy', 'scipy', 'sqlalchemy', 'matplotlib',
                       'configobj', 'astropy'],
-
+    setup_requires=['numpy', 'scipy', 'astropy', 'sqlalchemy', 'configobj'],
     entry_points=entry_points,
 
     cmdclass={"build": custom_build},
@@ -52,6 +52,7 @@ setup(
 
     author="The CIGALE team",
     author_email="cigale@lam.fr",
+    url="https://cigale.lam.fr",
     description="Python Code Investigating Galaxy Emission",
     license="CeCILL-V2",
     keywords="astrophysics, galaxy, SED fitting"