Added numpydoc to requirements for readthedocs
Added numpydoc to requirements for readthedocs

kyleabeauchamp/pymbar,jchodera/pymbar,choderalab/pymbar,Lnaden/pymbar,mrshirts/pymbar,wesbarnett/pymbar,Lnaden/pymbar,mrshirts/pymbar,mrshirts/pymbar,Lnaden/pymbar,choderalab/pymbar,jchodera/pymbar,kyleabeauchamp/pymbar,jchodera/pymbar,wesbarnett/pymbar,choderalab/pymbar,kyleabeauchamp/pymbar,mrshirts/pymbar,wesbarnett/pymbar,kyleabeauchamp/pymbar,jchodera/pymbar,wesbarnett/pymbar