Use mako's uri escaping to prevent errors adding shows with & in the name

Fixes https://github.com/SickRage/sickrage-issues/issues/380

gui/slick/views/addShows_popularShows.mako

@@ -69,7 +69,7 @@
                         <p>${int(float(cur_rating)*10)}% <img src="${srRoot}/images/heart.png"></p>
                         <i>${cur_votes} votes</i>
                         <div class="traktShowTitleIcons">
-                            <a href="${srRoot}/addShows/addShowByID?indexer_id=${cur_result['imdb_tt']}&amp;show_name=${cur_result['name']}&amp;indexer=IMDB" class="btn btn-xs" data-no-redirect>Add Show</a>
+                            <a href="${srRoot}/addShows/addShowByID?indexer_id=${cur_result['imdb_tt']}&amp;show_name=${cur_result['name'] | u}&amp;indexer=IMDB" class="btn btn-xs" data-no-redirect>Add Show</a>
                         </div>
                     </div>
                 </div>

gui/slick/views/trendingShows.mako

@@ -39,7 +39,7 @@
             <p>${int(cur_show['show']['rating']*10)}% <img src="${srRoot}/images/heart.png"></p>
             <i>${cur_show['show']['votes']} votes</i>
             <div class="traktShowTitleIcons">
-                <a href="${srRoot}/addShows/addShowByID?indexer_id=${cur_show['show']['ids']['tvdb']}&amp;show_name=${cur_show['show']['title']}" class="btn btn-xs" data-no-redirect>Add Show</a>
+                <a href="${srRoot}/addShows/addShowByID?indexer_id=${cur_show['show']['ids']['tvdb']}&amp;show_name=${cur_show['show']['title'] | u}" class="btn btn-xs" data-no-redirect>Add Show</a>
                 % if blacklist:
                 <a href="${srRoot}/addShows/addShowToBlacklist?indexer_id=${cur_show['show']['ids']['tvdb'] or cur_show['show']['ids']['tvrage']}" class="btn btn-xs">Remove Show</a>
                 % endif