[ticket/10949] Converted AJAX coding standards to new guidelines.

Basically, moved parentheses to same line and changed variable names to
camel case.

PHPBB3-10949
Merge remote-tracking branch 'callumacrae/ticket/10949' into ticket/10949

Conflicts:
	phpBB/assets/javascript/core.js
[ticket/10949] Converted missing code to new JS coding guidelines

A few missing semi-colons were also added where needed.

PHPBB3-10949
[ticket/10949] Remove not needed comma

This comma might actually cause issues in browser. Therefore remove it.

PHPBB3-10949
Merge PR #1178 branch 'marc1706/ticket/10949' into develop

# By Marc Alexander (2) and Callum Macrae (1)
# Via Marc Alexander
* marc1706/ticket/10949:
  [ticket/10949] Remove not needed comma
  [ticket/10949] Converted missing code to new JS coding guidelines
  [ticket/10949] Converted AJAX coding standards to new guidelines.
[ticket/11301] Explicitly cast str offset to int to prevent E_NOTICE on 5.4.

PHPBB3-11301
[ticket/11301] Guidelines: Add spaces in front and after the / operator.

PHPBB3-11301
[ticket/11313] Use correct object el instead of eel in alt_text callback

This typo was added by the PRs #860 and #1178. Only the object el exists
and is correct. Due to this the text of links using the alt_text callback
were not modified while executing the callback.

PHPBB3-11313
Merge PR #1182 branch 'bantu/ticket/11301' into develop-olympus

# By Andreas Fischer
# Via Andreas Fischer
* bantu/ticket/11301:
  [ticket/11301] Guidelines: Add spaces in front and after the / operator.
  [ticket/11301] Explicitly cast str offset to int to prevent E_NOTICE on 5.4.
Merge PR #1182 branch 'develop-olympus' into develop

# By Andreas Fischer
# Via Andreas Fischer (1) and Oleg Pudeyev (1)
* develop-olympus:
  [ticket/11301] Guidelines: Add spaces in front and after the / operator.
  [ticket/11301] Explicitly cast str offset to int to prevent E_NOTICE on 5.4.
Merge PR #1181 branch 'marc1706/ticket/11313' into develop

# By Marc Alexander
# Via Marc Alexander
* marc1706/ticket/11313:
  [ticket/11313] Use correct object el instead of eel in alt_text callback
[ticket/11321] Recreate schema files with develop/create_schema_files.php

PHPBB3-11321
Merge remote-tracking branch 'nickvergessen/ticket/11321' into develop

* nickvergessen/ticket/11321:
  [ticket/11321] Recreate schema files with develop/create_schema_files.php