Updated README.md
Updated README.md

corrected tomcat7 run command
radut/podcastpedia,sridhar-newsdistill/podcastpedia,sridhar-newsdistill/podcastpedia,radut/podcastpedia,PodcastpediaOrg/podcastpedia,PodcastpediaOrg/podcastpedia,sridhar-newsdistill/podcastpedia,sslavescu/podcastpedia,PodcastpediaOrg/podcastpedia,sslavescu/podcastpedia,radut/podcastpedia,sslavescu/podcastpedia