[ticket/12186] Move PM reports below post reports while installing

In mcp, move PM reports below post reports while installing.

PHPBB3-12186
Merge branch 'ticket/12186' into ticket/12186a
[ticket/12186] Move PM reports below post reports while installing for ascraeus

In mcp, move PM reports below post reports while installing.

PHPBB3-12186
[ticket/12456] Fix missing new lines at the end of email templates

PHPBB3-12456
[ticket/12456] Fix duplicated empty lines in language files

PHPBB3-12456
[ticket/12456] Add , after the last array element

PHPBB3-12456
Merge pull request #2364 from nickvergessen/ticket/12456

[ticket/12456] Missing new lines at the end of file in language files

* nickvergessen/ticket/12456:
  [ticket/12456] Add , after the last array element
  [ticket/12456] Fix duplicated empty lines in language files
  [ticket/12456] Fix missing new lines at the end of email templates
[ticket/12458] Apply Squiz.WhiteSpace.SuperfluousWhitespace.* to legacy code.

* There MUST NOT be trailing whitespace at the end of lines.
* There MUST NOT be whitespace before the first content of a file.
* There MUST NOT be whitespace after the last content of a file.
* Functions MUST NOT contain multiple empty lines in a row.

PHPBB3-12458
Merge pull request #2366 from bantu/ticket/12458

[ticket/12458] Apply Squiz.WhiteSpace.SuperfluousWhitespace.* to legacy code

* bantu/ticket/12458:
  [ticket/12458] Apply Squiz.WhiteSpace.SuperfluousWhitespace.* to legacy code.
Merge pull request #2319 from n-aleha/ticket/12186

[ticket/12186] Move PM reports below post reports while installing

* n-aleha/ticket/12186:
  [ticket/12186] Move PM reports below post reports while installing
Merge pull request #2362 from n-aleha/ticket/12186a

[ticket/12186] Move PM reports below post reports while installing for ascraeus

* n-aleha/ticket/12186a:
  [ticket/12186] Move PM reports below post reports while installing for ascraeus
  [ticket/12186] Move PM reports below post reports while installing
Merge branch 'develop-olympus' into develop-ascraeus

* develop-olympus: