LPS-34864 - Adding friendly URL setup and patterns (note that the calendarId cannot be restricted to digits because its value in the JSP is "{calendarId}")
LPS-34864 - Removing unnecessary parameters (the portlet get them from the configuration if they are not passed)
LPS-34864 Remove parameters also from calendar_actions.jsp
LPS-34864 Retrieve RSS configuration from portlet preferences
LPS-34864 Source formatting