add a description to the update Rake task
add a description to the update Rake task

adding a description makes the task being listed when running `rake -T`
SherrySeibel/dotfiles,LouTheBrew/dotfiles,minhoolee/skwp-dotfiles,wesson-yi/dotfiles,tigershen23/dotfiles,trongrg/dotfiles,svdberg/dotfiles,uhjish/dotfiles,zhenyuy-fb/dotfiles,lhrkkk/dotfiles_old_2015_11_01,michaeljacobdavis/dotfiles-yadr,periodic1236/dotfiles,akitaonrails/dotfiles,jo-tez/yadr,minhoolee/skwp-dotfiles,41407/dotfiles,pruan-rht/dotfiles,auser/yadr,tonynguyen68/dotfiles,joesus/dotfiles,xkonni/dotfiles,uhjish/dotfiles,mrap/dotfiles,alex-wood/dotfiles,pswaminathan/dotfiles,tripl3inf/dotfiles,K3yChain/yadr,333fred/dotfiles_yadr,koheku/dotfiles,hulajesus/dotfiles,romansalin/dotfiles,ccll/dotfiles,daxgames/dotfiles,kqyang/dotfiles,patarra/dotfiles,andrewSC/dotfiles,kdheepak89/yadr-dotfiles,theone4ever/dotfiles,swinstanley/dotfiles-1,mpeter/dotfiles,drajguru/dotfiles,K3yChain/yadr,mente/dotfiles,Witos/dotfiles,davepgreene/yadr,tallamjr/yadr-fork,jo-tez/yadr,tmullen/dotfiles,hophacker/dotfiles,333fred/dotfiles_yadr,aeikenberry/yardr_dotfiles,michaeljacobdavis/dotfiles-yadr,jby/dotfiles,neilor/dotfiles,pruan-rht/dotfiles,gupta-tarun/dotfiles,goorockey/dotfiles,ptgamr/dotfiles-2,koheku/dotfiles,jf87/dotfiles-yadr,uhjish/dotfiles,nakolkin/dotfiles,qianthinking/dotfiles,auser/yadr,denyago/dotfiles,daxgames/dotfiles,RyanMacG/dotfiles-1,goorockey/dotfiles,Jojo-Jojovich/dotfiles,kylewest/yadr,argami/dotfiles,kierangraham/dotfiles,jckdrpr/dotfiles-1,uni380/dotfiles,uhjish/dotfiles,mpeter/dotfiles,demis001/dotfiles,wesleyskap/dotfiles-1,Witos/dotfiles,captainmike/dotfiles,41407/dotfiles,LouTheBrew/dotfiles,giorni/dotfiles,stevenbarragan/dotfiles,uhjish/dotfiles,nakolkin/dotfiles,uni380/dotfiles,ramiroaraujo/dotfiles,wesson-yi/dotfiles,thekindofme/dotfiles,rockwarrior/dotfiles,swinstanley/dotfiles-1,kylewest/yadr,yjlintw/dotfiles,bcrochet/dotfiles,gupta-tarun/dotfiles,davepgreene/yadr,tmullen/dotfiles,stevenbarragan/dotfiles,svdberg/dotfiles,drajguru/dotfiles,qianthinking/dotfiles,kierangraham/dotfiles,ofer987/dotfiles,ignasi/dotfiles,minhoolee/skwp-dotfiles,negativo/dotfiles-2,trongrg/dotfiles,xvaara/dotfiles,backus/yadr,xkonni/dotfiles,jby/dotfiles,jf87/dotfiles-yadr,rockymontana/skwp-dotfiles,wesson-yi/dotfiles,hulajesus/dotfiles,Sumukh/dotfiles,btroo/dotfiles,ccll/dotfiles,wesleyskap/dotfiles-1,lfilho/dotfiles,cantoraz/yadr,swanandp/dotfiles,tokeryberg/dotfiles-2,jckdrpr/dotfiles-1,tallamjr/yadr-fork,yjlintw/dotfiles,kanche/dotfiles,aqibmushtaq/dotfiles,alex-wood/dotfiles,jckdrpr/dotfiles-1,xvaara/dotfiles,kierangraham/dotfiles,tokeryberg/dotfiles-2,giorni/dotfiles,akitaonrails/dotfiles,mba811/dotfiles,cantoraz/yadr,diego9627/dotfiles,diego-oliveira/dotfiles-1,zelga/dotfiles,bionix/dotfiles-1,mente/dotfiles,kanche/dotfiles,333fred/dotfiles_yadr,skwp/dotfiles,stinoga/dotfiles-1,atsapov/dotfiles,ignasi/dotfiles,ay65535/yadr,skjerven/dotfiles,Jojo-Jojovich/dotfiles,fernandoaleman/yadr,SherrySeibel/dotfiles,epelz/dotfiles,thekindofme/dotfiles,pswaminathan/dotfiles,plribeiro3000/dotfiles,patarra/dotfiles,ofer987/dotfiles,tkuichooseyou/dotfiles,skwp/dotfiles,Xiaobin0860/dotfiles,uhjish/dotfiles,mba811/dotfiles,olslash/dotfiles,lfilho/dotfiles,hophacker/dotfiles,minhoolee/skwp-dotfiles,ramiroaraujo/dotfiles,brazencavalier/dotfiles,lyanderson/dotfiles,uhjish/dotfiles,RyanMacG/dotfiles-1,rockwarrior/dotfiles,walkleyn/dotfiles,captainmike/dotfiles,flyingfsck/dotfiles,qianthinking/dotfiles,rrmartins/my_yadr,bob2314/dotfiles-1,aeikenberry/yardr_dotfiles,kqyang/dotfiles,mente/dotfiles,tigershen23/dotfiles,fabiopelosin/dotfiles,leiklier/dotfiles,denyago/dotfiles,zelga/dotfiles,swanandp/dotfiles,ttriggs/dotfiles,valentinzberea/dotfiles-yadr,epelz/dotfiles,stinoga/dotfiles-1,fernandoaleman/yadr,tkuichooseyou/dotfiles,leiklier/dotfiles,argyakrivos/dotfiles,kqyang/dotfiles,jameszaghini/dotfiles,ptgamr/dotfiles-2,flyingfsck/dotfiles,Xiaobin0860/dotfiles,ds82/dotfiles,joesus/dotfiles,neilor/dotfiles,theone4ever/dotfiles,rockymontana/skwp-dotfiles,andrewSC/dotfiles,skjerven/dotfiles,uhjish/dotfiles,juvoni/dotfiles-1,argyakrivos/dotfiles,bobek/dotfiles,bobek/dotfiles,jameszaghini/dotfiles,raiseandfall/vim-tmux-dotfiles,mrap/dotfiles,walkleyn/dotfiles,olslash/dotfiles,tonynguyen68/dotfiles,ds82/dotfiles,bob2314/dotfiles-1,backus/yadr,valentinzberea/dotfiles-yadr,sztupy/dotfiles,lyanderson/dotfiles,ds82/dotfiles,zhenyuy-fb/dotfiles,raiseandfall/vim-tmux-dotfiles,tripl3inf/dotfiles,davidjaw/dotfiles,juvoni/dotfiles-1,yjlintw/dotfiles,atsapov/dotfiles,plribeiro3000/dotfiles,codedecay/dotfiles-1,andrewSC/dotfiles,ttriggs/dotfiles,bcrochet/dotfiles,negativo/dotfiles-2,davidjaw/dotfiles,lfilho/dotfiles,kierangraham/dotfiles,cfabianski/yadr-dotfiles,uhjish/dotfiles,bionix/dotfiles-1,romansalin/dotfiles,argami/dotfiles,aqibmushtaq/dotfiles,cfabianski/yadr-dotfiles,lhrkkk/dotfiles_old_2015_11_01,codedecay/dotfiles-1,skjerven/dotfiles,rrmartins/my_yadr,mdarnall/dotfiles,sztupy/dotfiles,periodic1236/dotfiles,brazencavalier/dotfiles,diego9627/dotfiles,mdarnall/dotfiles,demis001/dotfiles,kdheepak89/yadr-dotfiles,Sumukh/dotfiles,btroo/dotfiles,fabiopelosin/dotfiles,ay65535/yadr,diego-oliveira/dotfiles-1