bump version to 0.2.5
bump version to 0.2.5

clarkfitzg/dask,marianotepper/dask,minrk/dask,mikegraham/dask,wiso/dask,pombredanne/dask,jayhetee/dask,cowlicks/dask,wiso/dask,pombredanne/dask,ContinuumIO/dask,esc/dask,blaze/dask,freeman-lab/dask,jcrist/dask,jakirkham/dask,dask/dask,ssanderson/dask,mrocklin/dask,simudream/dask,ContinuumIO/dask,clarkfitzg/dask,jcrist/dask,PhE/dask,simudream/dask,hainm/dask,marianotepper/dask,dask/dask,chrisbarber/dask,freeman-lab/dask,cpcloud/dask,gameduell/dask,minrk/dask,vikhyat/dask,mraspaud/dask,ssanderson/dask,blaze/dask,vikhyat/dask,PhE/dask,PeterDSteinberg/dask,esc/dask,jakirkham/dask,jayhetee/dask,mraspaud/dask,hainm/dask,mrocklin/dask