<!> Move some pages to JSF, implement login (again);

WARNING! Main servlet is commented so application cannot run properly.
Please don't use this commit and those which follow it, unless it wouldn't mark as 'stable'.
<!> Mark all commands code and servlet depended classes as deprecated;
<!> New beans refactoring and doc added;
<!> Delete index.jsp, login.jsp and redirect.jsp;
Add directory listing bean;
<!> Delete listdir.jsp;
<!> Add new JSF pages and beans for message list view;
<!> Add new user info page and bean;
<!> Add posting form and status page. Also add directory selector in post form;
<!> Delete postform.jsp;
<!> Add view message functionality and some fixes;
<!> Mass refactor of packages and beans, remove all old code (commands, controller etc.);
<!> Fix date display in message view and urgent message markup;