[ticket/11899] Give indication of activity after voting in poll.

PHPBB3-11899
[ticket/11935] Fix <p> tags not allowed inside <strong> tags

PHPBB3-11935
[ticket/11935] Fix incorrect alt tags that should be title tags

PHPBB3-11935
[ticket/11935] Fix stray </a> tags

PHPBB3-11935
[ticket/11935] Fix invalid HTML usage of <label> tag in prosilver

PHPBB3-11935
[ticket/11935] Remove obsolete table attributes from Prosilver

cellpadding, cellspacing, border are obsolete table attributes.
They are handled by CSS already using table and .table1

PHPBB3-11935
[ticket/11935] Replace obsolete table attributes in Admin with CSS

PHPBB3-11935
[ticket/11935] Tweak colour swatch table

PHPBB3-11935
Merge branch 'develop' into ticket/11935
[ticket/11534] Check remote avatar content type if possible

This should make sure that error pages like 404 or 503 pages are not treated
as remote avatar images.

PHPBB3-11534
[ticket/11973] Remove logic from tokens language array

Previously if a translator did no translate a token, it would not be
displayed. On the other hand, the translator could add additional tokens
which have no functionality.  Functionality is already hardcoded into
bbcode.php so we can that in the ACP aswell, in order to prevent namend
issues.

PHPBB3-11973
[ticket/11928] Replace AJAX loading popup with animation.

PHPBB3-11928
[ticket/11928] Make sure the indicator is on top of other elements.

PHPBB3-11928
[ticket/11030] Fixing cursor appearing in file upload browse button.

Removed unnecessary cursor CSS properties added for form inputs in both acp
and prosilver styles. Added cursor:pointer property only for buttons.

PHPBB3-11030
[ticket/11935] Merge remote-tracking branch 'upstream/develop'

PHPBB3-11935
[ticket/11030] Fix cursor for checkboxes

PHPBB3-11030
[ticket/11928] Rename loadingAlert to loading_indicator.

PHPBB3-11928
[ticket/11977] Use CSS instead of JS to disable up/down icons

PHPBB3-11977
Merge pull request #1840 from cyberalien/ticket/11030

Fix cursor in prosilver and ACP
[ticket/11746] The IN_PHPBB check is not necessary.

PHPBB3-11746