Fixed model reference problem for competitions script
Merge branch 'master' of github.com:codalab/codalab
Fix link to terms and conditions on competition's Participate tab, clicking Register is not allowed until terms are checked and provide consistent display of pending status
Fix navigation links in competition details view.
Styling competition results table.  Fixed out-of-place footer on competitions listing page
Merge remote-tracking branch 'upstream/master'

Conflicts:
	codalab/apps/web/static/foundation/css/codalab.css
	codalab/apps/web/static/foundation/sass/_settings.scss
	codalab/apps/web/templates/web/competitions/_results_page.html
	codalab/apps/web/templates/web/competitions/view.html
Updates_Load_result_tab_Using_URl_08_28_2013

Loading the leader board tab when result tab is visible.