Fix url 'contact' in all templates

[tlrh314]

grep -R "url 'contact'" apiweb/
apiweb//templates/footer.html:61:                            {# <a href="{% url 'contact' %}">Contact Form</a><br> #}
apiweb//templates/header.html:70:                    <li><a href="{% url 'contact' %}"><span>CONTACT</span></a></li>
apiweb//apps/research/templates/research/thesis_list.html:201:                        <a href="{% url 'contact' %}">Title Unknown. Please contact us if you know the title!</a>
apiweb//apps/search/templates/search/search_results.html:38:                        <a href="{% url 'contact' %}">Title Unknown. Please contact us if you know the title!</a><br>
apiweb//apps/alumni/templates/alumni/alumnus_detail.html:91:                                        <a href="{% url 'contact' %}">Title Unknown. Please contact us if you know the title!</a>