decrease size of titles, looks better on mobiles

app/views/crawlers/tiss_crawler/search.html.erb

@@ -1,4 +1,4 @@
-<h1>Search through @TU Vienna Database</h1>
+<h2>Search through @TU Vienna Database</h2>
 <p>Only people can be searched right now</p>
 
 <%= form_tag(crawlers_tiss_crawler_search_path, :method => "get") do %>

app/views/favorites/courses.html.erb

@@ -1,6 +1,6 @@
 <%= render(:partial => "nav") %>
 
-<h1>Favorite Courses</h1>
+<h2>Favorite Courses</h2>
 
 <% if !@favorite_courses[0].blank? %>
   <div class="table_wrapper">

app/views/favorites/people.html.erb

@@ -1,6 +1,6 @@
 <%= render(:partial => "nav") %>
 
-<h1>Favorite People</h1>
+<h2>Favorite People</h2>
 
 <!--<ul class="people-list">-->
   <%# @favorite_people.each do |person| %>

app/views/favorites/projects.html.erb

@@ -1,6 +1,6 @@
 <%= render(:partial => "nav") %>
 
-<h1>Favorite Projects</h1>
+<h2>Favorite Projects</h2>
 
 <% if !@favorite_projects[0].blank? %>
   <div class="table_wrapper">

app/views/favorites/theses.html.erb

@@ -1,6 +1,6 @@
 <%= render(:partial => "nav") %>
 
-<h1>Favorite Theses</h1>
+<h2>Favorite Theses</h2>
 
 <% if !@favorite_theses[0].blank? %>
   <div class="table_wrapper">