Merge pull request #101 from ocean-eddy-cpt/fix-license-classifier

use correct license classifier

Author: rabernat

setup.cfg

@@ -12,7 +12,7 @@ classifiers =
     Development Status :: 5 - Production/Stable
     Intended Audience :: Science/Research
     Operating System :: OS Independent
-    License :: OSI Approved :: LGPL license
+    License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)
     Programming Language :: Python
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.6