[ticket/11103] Remove title attribute from notification link

PHPBB3-11103
[ticket/11103] Update styling of prosilver notification modal

PHPBB3-11103
[ticket/11103] Update styling of subsilver2 notification modal

PHPBB3-11103
[ticket/11103] Update styling of UCP Notifications in prosilver

PHPBB3-11103
[ticket/11103] Update styling of UCP Notifications in subsilver2

PHPBB3-11103
[ticket/11103] HTML encode double arrow character

PHPBB3-11103
[ticket/11103] Add newlines to bottom of css file

PHPBB3-11103
[ticket/11103] Remove padding from notifications for now.

PHPBB3-11103
Merge remote-tracking branch 'remotes/VSE/ticket/11103-VSEphpbb' into ticket/11103

# By Matt Friedman
# Via Matt Friedman
* remotes/VSE/ticket/11103-VSEphpbb:
  [ticket/11103] Remove padding from notifications for now.
  [ticket/11103] Add newlines to bottom of css file
  [ticket/11103] HTML encode double arrow character
  [ticket/11103] Update styling of UCP Notifications in subsilver2
  [ticket/11103] Update styling of UCP Notifications in prosilver
  [ticket/11103] Update styling of subsilver2 notification modal
  [ticket/11103] Update styling of prosilver notification modal
  [ticket/11103] Remove title attribute from notification link