Changed Vundle to Plugin
Changed Vundle to Plugin

Small update.

Vundle changed a few versions ago the word `Vundle` to `Plugin`
hotpxl/racer,drewet/racer,drewet/racer,alkama/racer,rranelli/racer,MattWis/racer,syhkiller/racer,syohex/racer,MattWis/racer,dleslie/racer,sliz1/racer,asantopietro/racer,sthapaun/racer,ane/racer,bluss/racer,asantopietro/racer,bluss/racer,kbknapp/racer,Wilfred/racer,phildawes/racer,syohex/racer,ane/racer,BonsaiDen/racer,jaxx/racer,kbknapp/racer,syhkiller/racer,BonsaiDen/racer,birkenfeld/racer,sthapaun/racer,rranelli/racer,racer-rust/racer,pmarcelll/racer