minor edits to docs index
minor edits to docs index

mikegraham/dask,ContinuumIO/dask,chrisbarber/dask,wiso/dask,cowlicks/dask,ContinuumIO/dask,clarkfitzg/dask,jcrist/dask,jakirkham/dask,pombredanne/dask,jakirkham/dask,jayhetee/dask,dask/dask,ssanderson/dask,PhE/dask,vikhyat/dask,mraspaud/dask,mrocklin/dask,jayhetee/dask,cpcloud/dask,PhE/dask,pombredanne/dask,simudream/dask,mrocklin/dask,ssanderson/dask,vikhyat/dask,gameduell/dask,simudream/dask,blaze/dask,dask/dask,wiso/dask,mraspaud/dask,blaze/dask,clarkfitzg/dask,jcrist/dask