[ticket/10661] Added &nbsp; to enumerated recipients (prosilver)

Added missing &nbsp; to enumerated recipients after IF statements
to see if it is a group or not (to_recipient.IS_GROUP and
bcc_recipient.ISGROUP), in posting_editor template in prosilver
style.

PHPBB3-10661
[ticket/10854] sql server drop default constraint when dropping column

drops default columns with T-SQL before attempting drop column to
avoids sql exception.  This is a huge annoyance in UMIL scripts running
under sql server.
[ticket/10865] Updates and additions to /docs/INSTALL.html

Added anti-spam section.
Changed www.mydomain.com/tld to www.example.com.
Updated update section to mention third party styles.
Reworded several sentences for clarity.
Made file name/path formatting more consistent.
Corrected update archive type availabilities.
Changed PHP version listing to be less redundant.

PHPBB3-10865
PHPBB3-10918
[ticket/10865] Typo and phrasing change

PHPBB3-10865
[ticket/10865] Grammar corrections for the entire document

Fixed more grammatical issues, changed some phrasings, added a link
for offline conversions, and other corrections.

PHPBB3-10865
[ticket/10865] Phrase change for visiting with browser

PHPBB3-10865
[ticket/10568] adding MESSAGE_EDITED to ucp.php and compose_pm

PHPBB3-10568
[ticket/10865] Add .css, .js, and .htaccess to the list of ASCII mode files

PHPBB3-10865
[ticket/10848] Redirect from adm to installer correctly.

PHPBB3-10848
[ticket/10848] Add phpbb_ prefix.

PHPBB3-10848
Merge PR #918 branch 'Senky/ticket/10568' into develop-olympus

* Senky/ticket/10568:
  [ticket/10568] adding MESSAGE_EDITED to ucp.php and compose_pm
[ticket/10848] Move include up.

PHPBB3-10848
Merge remote-tracking branch 'p/ticket/10848' into develop-olympus

* p/ticket/10848:
  [ticket/10848] Move include up.
  [ticket/10848] Add phpbb_ prefix.
  [ticket/10848] Redirect from adm to installer correctly.
[ticket/11158] Revert old fix in PHPBB3-10186.

Revert "[ticket/10186] UCP signature panel displays when not authed
for signatures"

This reverts commit f6fa52540c0fb20d79b4d59cb08c49484d9f3116.

PHPBB3-10186
PHPBB3-11158
[ticket/11158] Require acl_u_sig for ucp signature module.

PHPBB3-11158
Merge remote-tracking branch 'p/ticket/11158' into develop-olympus

* p/ticket/11158:
  [ticket/11158] Require acl_u_sig for ucp signature module.
  [ticket/11158] Revert old fix in PHPBB3-10186.
[ticket/11162] Extract existing behavior into a function and add a test.

PHPBB3-11162
[ticket/11164] Update composer.phar

PHPBB3-11164
Merge remote-tracking branch 'unknownbliss/ticket/111642' into develop-olympus

* unknownbliss/ticket/111642:
  [ticket/11164] Update composer.phar
[ticket/11159] static public is the currently approved order.

PHPBB3-11159