Upgrading Font Awesome vendor files from 3.2.1 to 4.2.0

* updating vendor files
* updating class syntax (to new FA-based classes) for all UI elements
* correcting broken tests

common/test/acceptance/pages/studio/container.py

@@ -170,7 +170,10 @@ class ContainerPage(PageObject):
     @property
     def is_staff_locked(self):
         """ Returns True if staff lock is currently enabled, False otherwise """
-        return 'icon-check' in self.q(css='a.action-staff-lock>i').attrs('class')
+        for attr in self.q(css='a.action-staff-lock>i').attrs('class'):
+            if 'fa-check-square-o' in attr:
+                return True
+        return False
 
     def toggle_staff_lock(self, inherits_staff_lock=False):
         """

common/test/acceptance/pages/studio/overview.py

@@ -495,7 +495,7 @@ class CourseOutlinePage(CoursePage, CourseOutlineContainer):
         """
         element_css = self.BOTTOM_ADD_SECTION_BUTTON
         if click_child_icon:
-            element_css += " .icon-plus"
+            element_css += " .fa-plus"
 
         click_css(self, element_css)
 

common/test/acceptance/pages/studio/settings_group_configurations.py

@@ -221,11 +221,11 @@ class GroupConfiguration(object):
 
     @property
     def details_error_icon_is_present(self):
-        return self.find_css('.wrapper-group-configuration-usages .icon-exclamation-sign').present
+        return self.find_css('.wrapper-group-configuration-usages .fa-exclamation-circle').present
 
     @property
     def details_warning_icon_is_present(self):
-        return self.find_css('.wrapper-group-configuration-usages .icon-warning-sign').present
+        return self.find_css('.wrapper-group-configuration-usages .fa-warning').present
 
     @property
     def details_message_is_present(self):
@@ -237,7 +237,7 @@ class GroupConfiguration(object):
 
     @property
     def edit_warning_icon_is_present(self):
-        return self.find_css('.wrapper-group-configuration-validation .icon-warning-sign').present
+        return self.find_css('.wrapper-group-configuration-validation .fa-warning').present
 
     @property
     def edit_warning_message_is_present(self):