Upgraded Mime4j dependency to version 0.4
Upgraded Mime4j dependency to version 0.4

git-svn-id: 897293da6115b9493049ecf64199cf2f9a0ac287@687151 13f79535-47bb-0310-9956-ffa450edef68

cstamas/httpclient,UlrichColby/httpcomponents-client,cmbntr/httpclient,atlassian/httpclient,ok2c/httpclient,atlassian/httpclient,apache/httpcomponents-client,cmbntr/httpclient,cstamas/httpclient