added next 2 upcoming events to the home page
changed promo-pic id to class in templates
Merge pull request #34 from AECC-UPRB/upcoming-events

Upcoming events
added about section
Changed months in navbar
Merge remote-tracking branch 'origin/devbranch' into survey

Conflicts:
	static/css/style.css
	templates/events/events_by_month.html