[diaspora] Overhaul connector settings

- Move HTML in template file
- Use standard form fields
- Hide irrelevant fields depending on the connector status (disabled, enabled, error)
- Add notice messages on settings submit

diaspora/templates/settings.tpl

@@ -0,0 +1,47 @@
+<span id="settings_diaspora_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose('settings_diaspora_expanded'); openClose('settings_diaspora_inflated');">
+	<img class="connector{{if !$enabled}}-disabled{{/if}}" src="images/diaspora-logo.png">
+	<h3 class="connector">{{$header}}</h3>
+</span>
+<div id="settings_diaspora_expanded" class="settings-block" style="display: none;">
+	<span class="fakelink" onclick="openClose('settings_diaspora_expanded'); openClose('settings_diaspora_inflated');">
+		<img class="connector{{if !$enabled}}-disabled{{/if}}" src="images/diaspora-logo.png">
+		<h3 class="connector">{{$header}}</h3>
+	</span>
+
+{{if $info}}
+	<div class="panel panel-info">
+		<div class="panel-heading">
+			<h4 class="panel-title">{{$info_header}}</h4>
+		</div>
+		<p class="panel-body">
+			{{$info nofilter}}
+		</p>
+	</div>
+{{/if}}
+{{if $error}}
+	<div class="panel panel-danger">
+		<div class="panel-heading">
+			<h4 class="panel-title">{{$error_header}}</h4>
+		</div>
+		<p class="panel-body">
+			{{$error nofilter}}
+		</p>
+	</div>
+{{/if}}
+
+	{{include file="field_checkbox.tpl" field=$enabled_checkbox}}
+
+{{if $aspect_select}}
+	{{include file="field_select.tpl" field=$aspect_select}}
+
+	{{include file="field_checkbox.tpl" field=$post_by_default}}
+{{else}}
+	{{include file="field_input.tpl" field=$handle}}
+
+	{{include file="field_password.tpl" field=$password}}
+{{/if}}
+
+	<div class="settings-submit-wrapper">
+		<button type="submit" class="btn btn-primary settings-submit" id="diaspora-submit" name="diaspora-submit" value="diaspora-submit">{{$submit}}</button>
+	</div>
+</div>