[FIX] pad: font-awesomeize icon

bzr revid: chs@openerp.com-20140212181014-rk1qh1pcovtmjhqu

addons/pad/static/src/css/etherpad.css

@@ -13,13 +13,12 @@
     border: solid 1px #ccc;
     border-radius:3px;
     text-align: center;
-    line-height: 22px;
+    line-height: 28px;
     overflow: hidden;
     -webkit-box-sizing: border-box;
     color: #666666;
-    padding-top:-3px;
-    padding-left:-1px;
     cursor: pointer;
+    font-size: 14px;
 }
 
 .oe_pad_switch:hover{

addons/pad/static/src/js/pad.js

@@ -13,6 +13,7 @@ openerp.pad = function(instance) {
             this.switch_configured();
             this.$('.oe_pad_switch').click(function() {
                 self.$el.toggleClass('oe_pad_fullscreen');
+                self.$el.find('.oe_pad_switch').toggleClass('fa-expand fa-compress');
             });
             this.render_value();
         },

addons/pad/static/src/xml/pad.xml

@@ -15,7 +15,7 @@
             </t>
             <t t-if="! widget.get('effective_readonly')">
                 <div class="oe_pad_switch_positioner oe_configured">
-                    <span class="oe_pad_switch oe_e">&amp;Ntilde;</span>
+                    <span class="fa fa-expand oe_pad_switch"></span>
                 </div>
                 <div class="oe_pad_content oe_editing oe_configured">
                 </div>