Index html included with link to the other stuff

- index.html added
- link to views, events operation added
(edit/delete don't work at the moment)

- event.html for sending invitation requests 
(new button - not linked with the DAO object)
Merge branch 'master' of https://github.com/svetlinas/st.project.git

Conflicts:
	bg.su.fmi.st.calendar.model/src/bg/su/fmi/st/calendar/model/test/TestServlet.java