Minor copy changes in the dashboard and popups

apps/desktop/templates/desktop/includes/hello.html

@@ -2,5 +2,5 @@
 <span>
     {# L10n: This appears just after: "Hello, {username}!" #}
     {{ _('Not you?') }}
-    <a href="#">{{ _('Log out >') }}</a>
+    <a href="#">{{ _('Sign out >') }}</a>
 </span>

apps/desktop/templates/desktop/popups/logged-out.html

@@ -17,11 +17,10 @@
                 <button ontouchstart="" tabindex="3" class="right-button" type="submit">{{ _('Sign in') }}</button>
             </div>
         </form>
-        <a id="forgot-password" href="#">{{ _('Forgot your password? >') }}</a>
+        <a id="forgot-password" href="#">{{ _('Forgot username or password? >') }}</a>
         <p class="download">
             {% trans download_url='' %}
-            Don't have Spark yet? <a href="{{ download_url }}">Download</a> Firefox on your Android or 
-            Maemo to get started.
+            Don't have Spark yet? <a href="{{ download_url }}">Download</a> Firefox on your Android to get started.
             {% endtrans %}
         </p>
     </div>