Merge pull request #10 from robertbrockie/misc

Added validators for the tickets fields.
Added montreal to event links.
Merge pull request #11 from robertbrockie/misc

Added validation on all urls.
Merge pull request #12 from robertbrockie/misc

Added editing of venue cities.
Merge branch 'master' into misc

Conflicts:
	public_html/application/helpers/misc_helper.php