replace Http.request.servlet_path with Http.request.path; rename Http.request.current_url to Http.request.url; Web_server now loads welcome_file in init() for initialization; fix cmd_line -e; fix install for luan args; git-svn-id: https://luan-java.googlecode.com/svn/trunk@314 21e917c8-12df-6dd8-5cb6-c86387c605b9