DOC:Fixed the link on user-guide landing page
DOC:Fixed the link on user-guide landing page

endolith/numpy,numpy/numpy,endolith/numpy,rgommers/numpy,charris/numpy,pdebuyl/numpy,pdebuyl/numpy,endolith/numpy,mhvk/numpy,mhvk/numpy,jakirkham/numpy,rgommers/numpy,pdebuyl/numpy,mattip/numpy,numpy/numpy,pdebuyl/numpy,rgommers/numpy,numpy/numpy,charris/numpy,mattip/numpy,seberg/numpy,jakirkham/numpy,anntzer/numpy,seberg/numpy,anntzer/numpy,jakirkham/numpy,mhvk/numpy,charris/numpy,anntzer/numpy,seberg/numpy,jakirkham/numpy,rgommers/numpy,anntzer/numpy,mhvk/numpy,numpy/numpy,jakirkham/numpy,seberg/numpy,mattip/numpy,endolith/numpy,mhvk/numpy,charris/numpy,mattip/numpy