Clarifying documentation for CloudWatchConnection.list_metrics().
Clarifying documentation for CloudWatchConnection.list_metrics().

- Multiple values for the same dimension are not supported by the API
- Max 10 dimensions allowed

bleib1dj/boto,dablak/boto,abridgett/boto,vijaylbais/boto,garnaat/boto,Asana/boto,nikhilraog/boto,dablak/boto,j-carl/boto,ddzialak/boto,zachmullen/boto,ryansb/boto,shipci/boto,alfredodeza/boto,serviceagility/boto,kouk/boto,campenberger/boto,TiVoMaker/boto,appneta/boto,SaranyaKarthikeyan/boto,weebygames/boto,elainexmas/boto,Pretio/boto,s0enke/boto,tpodowd/boto,ekalosak/boto,revmischa/boto,felix-d/boto,yangchaogit/boto,varunarya10/boto,israelbenatar/boto,podhmo/boto,alex/boto,zzzirk/boto,weka-io/boto,vishnugonela/boto,lra/boto,awatts/boto,drbild/boto,nishigori/boto,rayluo/boto,alex/boto,acourtney2015/boto,jotes/boto,disruptek/boto,shaunbrady/boto,khagler/boto,clouddocx/boto,drbild/boto,darjus-amzn/boto,tpodowd/boto,jindongh/boto,disruptek/boto,stevenbrichards/boto,nexusz99/boto,kouk/boto,bryx-inc/boto,janslow/boto,ric03uec/boto,trademob/boto,ramitsurana/boto,dimdung/boto,pfhayes/boto,cyclecomputing/boto,ocadotechnology/boto,appneta/boto,rosmo/boto