added more sample events to list
- first version of ajax request to backend
- correctly display sector plan
- both sector plans in page template
- pagination in event list enabled
merge with current upstream
fixed merge artifact, fade effect when showing sectro plan
Merge branch 'master' into gui

Conflicts:
	static_html/book_tickets.html
	static_html/css/main.css
	static_html/index.html
	static_html/js/main.js
	static_html/sell_tickets.html
Merge branch 'gui'