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

PHPBB3-10865
[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
Merge pull request #1035 from p/ticket/11159-olympus

[ticket/11159] static public is the currently approved order.
[ticket/11081] Drop duplicated </td> in subsilver captcha qa template.

PHPBB3-11081
Merge PR #717 branch 'NeoAdonis/ticket/10661' into develop-olympus

* NeoAdonis/ticket/10661:
  [ticket/10661] Added &nbsp; to enumerated recipients (prosilver)
Merge remote-tracking branch 'p/ticket/11081' into develop-olympus

* p/ticket/11081:
  [ticket/11081] Drop duplicated </td> in subsilver captcha qa template.
[ticket/10897] Bot list updated

'Baidu [Spider]' updated.
'Bing [Bot]' fixed only identation.
'Exabot [Bot]' changed because there is used also 'Exabot-Thumbnails'
user agent.
'NG-Search [Bot]' no longer exists.
'Nutch/CVS [Bot]' is the same of 'Nutch [Bot]'.
'OmniExplorer [Bot]' no longer exists.
'Seekport [Bot]' no longer exists.
'Synoo [Bot]' no longer exists.
'Voyager [Bot]' updated.
'W3C [Validator]' corrected (there was a *).
'WiseNut [Bot]' no longer exists.

PHPBB3-10897
[ticket/10897] Update bots during phpBB update

PHPBB3-10897
[ticket/10897] Add space after foreach.

PHPBB3-10897
[ticket/10897] Remove unnecessary string casting.

PHPBB3-10897
[ticket/10897] Add comment about what's going on.

PHPBB3-10897