o Made bootstrapper prompt user in case specified maven home already exists
o Made bootstrapper prompt user in case specified maven home already exists

git-svn-id: d3061b52f177ba403f02f0a296a85518da96c313@942440 13f79535-47bb-0310-9956-ffa450edef68

xasx/maven,barthel/maven,kidaa/maven-1,skitt/maven,dsyer/maven,Mounika-Chirukuri/maven,vedmishr/demo1,barthel/maven,likaiwalkman/maven,xasx/maven,rogerchina/maven,changbai1980/maven,aheritier/maven,wangyuesong/maven,stephenc/maven,stephenc/maven,rogerchina/maven,Mounika-Chirukuri/maven,likaiwalkman/maven,wangyuesong/maven,wangyuesong0/maven,karthikjaps/maven,dsyer/maven,atanasenko/maven,trajano/maven,atanasenko/maven,lbndev/maven,gorcz/maven,ChristianSchulte/maven,Tibor17/maven,aheritier/maven,gorcz/maven,vedmishr/demo1,pkozelka/maven,kidaa/maven-1,karthikjaps/maven,keith-turner/maven,njuneau/maven,cstamas/maven,pkozelka/maven,mizdebsk/maven,aheritier/maven,ChristianSchulte/maven,gorcz/maven,runepeter/maven-deploy-plugin-2.8.1,olamy/maven,wangyuesong0/maven,mcculls/maven,stephenc/maven,josephw/maven,wangyuesong/maven,Tibor17/maven,mcculls/maven,trajano/maven,pkozelka/maven,keith-turner/maven,dsyer/maven,Distrotech/maven,vedmishr/demo1,apache/maven,atanasenko/maven,skitt/maven,apache/maven,lbndev/maven,kidaa/maven-1,njuneau/maven,keith-turner/maven,Distrotech/maven,karthikjaps/maven,mizdebsk/maven,Mounika-Chirukuri/maven,changbai1980/maven,trajano/maven,skitt/maven,runepeter/maven-deploy-plugin-2.8.1,mcculls/maven,ChristianSchulte/maven,changbai1980/maven,xasx/maven,josephw/maven,cstamas/maven,apache/maven,cstamas/maven,mizdebsk/maven,likaiwalkman/maven,olamy/maven,barthel/maven,lbndev/maven,wangyuesong0/maven,njuneau/maven,rogerchina/maven,olamy/maven,josephw/maven