[ticket/13105] Add a test for relative dates

PHPBB3-13105
[ticket/13105] Do not display future dates 2+ days ahead as "tomorrow"

PHPBB3-13105
[ticket/13104] inline-block -> block

PHPBB3-13104
[ticket/13106] Remove \phpbb\di\pass\kernel_pass.php

PHPBB3-13106
Merge pull request #2997 from Senky/ticket/13106

[ticket/13106] Remove the \phpbb\di\pass\kernel_pass class

* Senky/ticket/13106:
  [ticket/13106] Remove \phpbb\di\pass\kernel_pass.php
Merge pull request #2995 from nickvergessen/ticket/13105

[ticket/13105] Future relative dates are always displayed as "Tomorrow"

* nickvergessen/ticket/13105:
  [ticket/13105] Do not display future dates 2+ days ahead as "tomorrow"
  [ticket/13105] Add a test for relative dates
Merge pull request #2996 from Senky/ticket/13104

[ticket/13104] Responsive tabs display bug in IE11