vim: added doc for 'Locate'
vim: added doc for 'Locate'

rgrinberg/merlin,rgrinberg/merlin,dra27/merlin,chriskonstad/merlin,ocaml/merlin,chambart/merlin,fxfactorial/merlin,fxfactorial/merlin,haselwarter/merlin,chambart/merlin,ocaml/merlin,chambart/merlin,dra27/merlin,dra27/merlin,neojski/merlin,fxfactorial/merlin,rgrinberg/merlin,fxfactorial/merlin,the-lambda-church/merlin,the-lambda-church/merlin,haselwarter/merlin,haselwarter/merlin,ocaml/merlin,chambart/merlin,chriskonstad/merlin,ocaml/merlin,rgrinberg/merlin,the-lambda-church/merlin,neojski/merlin,neojski/merlin,neojski/merlin,haselwarter/merlin,dra27/merlin