add note about cleaning up sling home when using options without configured working directory (SLING-6653)
add note about cleaning up sling home when using options without configured working directory (SLING-6653)

git-svn-id: 6eed74fe9a15c8da84b9a8d7f2960c0406113ece@1787208 13f79535-47bb-0310-9956-ffa450edef68

labertasch/sling,cleliameneghin/sling,ieb/sling,trekawek/sling,vladbailescu/sling,ist-dresden/sling,ist-dresden/sling,labertasch/sling,roele/sling,ieb/sling,roele/sling,mcdan/sling,vladbailescu/sling,ieb/sling,JEBailey/sling,JEBailey/sling,awadheshv/sling,vladbailescu/sling,mcdan/sling,roele/sling,labertasch/sling,trekawek/sling,ist-dresden/sling,anchela/sling,headwirecom/sling,mcdan/sling,trekawek/sling,ieb/sling,headwirecom/sling,tmaret/sling,ist-dresden/sling,anchela/sling,tmaret/sling,headwirecom/sling,roele/sling,mcdan/sling,trekawek/sling,cleliameneghin/sling,awadheshv/sling,awadheshv/sling,tmaret/sling,JEBailey/sling,labertasch/sling,tmaret/sling,headwirecom/sling,cleliameneghin/sling,mcdan/sling,vladbailescu/sling,labertasch/sling,JEBailey/sling,anchela/sling,trekawek/sling,headwirecom/sling,mcdan/sling,anchela/sling,JEBailey/sling,anchela/sling,ist-dresden/sling,cleliameneghin/sling,ieb/sling,tmaret/sling,roele/sling,vladbailescu/sling,awadheshv/sling,trekawek/sling,awadheshv/sling,awadheshv/sling,cleliameneghin/sling,ieb/sling