Slighly compacten translation view

There was a bit too much of spaces around some controls.

Issue #629
Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/html/translate.html

@@ -46,7 +46,7 @@
 <div class="row">
 <div class="col-sm-9">
 
-<form action="{{ this_unit_url }}" method="post" class="translation-form">
+<form action="{{ this_unit_url }}" method="post" class="translation-form translator">
 <div class="panel panel-primary">
 
   <div class="panel-heading"><span class="pull-right flip">

weblate/html/zen-units.html

@@ -30,7 +30,6 @@
 {% csrf_token %}
 {{ item.form.checksum }}
 {{ item.form.target }}
-<br />
 {{ item.form.fuzzy }} <label for="id_{{ item.unit.checksum }}_fuzzy">{% trans "Fuzzy" context "Message is fuzzy" %}</label>
 </form>
 </td>

weblate/media/style-bootstrap.css

@@ -85,6 +85,16 @@ footer a {
 .paginatoraddon label:after {
     content: ":";
 }
+.translator .form-group {
+    margin-bottom: 5px;
+}
+.translator .list-group {
+    margin-bottom: 0;
+}
+.translator .checkbox {
+    margin-bottom: 0;
+    margin-top: 0;
+}
 .paginatoraddon .form-group {
     margin-bottom: 0px;
 }