[ticket/10736] Run composer in phing builds

PHPBB3-10736
Merge pull request #673 from naderman/ticket/10736

[ticket/10736] Run composer in phing builds
[feature/merging-style-components] Updating styles in coding guidelines

Updating styles section in coding guidelines

PHPBB3-10632
[feature/merging-style-components] Fix notices in acp_styles

PHPBB3-10632
[feature/merging-style-components] Fixing few errors in acp_styles

Fixing notices and usability issues

PHPBB3-10632
[feature/merging-style-components] Initializing locator and provider separately

Moving locator and path provider initialization out of style class

PHPBB3-10632
[feature/merging-style-components] Renaming "delete" to "uninstall" for styles

Changing from "delete" to "uninstall" in acp_styles to avoid confusing users

PHPBB3-10632
[feature/merging-style-components] Moving template initialization out of style

Moving template initialization out of style constructor

PHPBB3-10632
[feature/merging-style-components] Fix for unit tests

Fixing typo in template unit tests

PHPBB3-10632
[feature/merging-style-components] Fix back link on install page

When on install page and all styles are installed, fix back link to go to main
styles page.

PHPBB3-10632
Merge remote-tracking branch 'cyberalien/feature/merging-style-components' into develop

* cyberalien/feature/merging-style-components: (31 commits)
  [feature/merging-style-components] Fix back link on install page
  [feature/merging-style-components] Fix for unit tests
  [feature/merging-style-components] Moving template initialization out of style
  [feature/merging-style-components] Renaming "delete" to "uninstall" for styles
  [feature/merging-style-components] Initializing locator and provider separately
  [feature/merging-style-components] Fixing few errors in acp_styles
  [feature/merging-style-components] Fix notices in acp_styles
  [feature/merging-style-components] Updating styles in coding guidelines
  [feature/merging-style-components] Changing acp_styles text
  [feature/merging-style-components] Updating test cases
  [feature/merging-style-components] Updating style initialization
  [feature/merging-style-components] Changing style class
  [feature/merging-style-components] Changing template class
  [feature/merging-style-components] Changing resource locator
  [feature/merging-style-components] Changing path provider
  [feature/merging-style-components] Renaming style locator
  [feature/merging-style-components] Changing $style to $style_id
  [feature/merging-style-components] Creating style class
  [feature/merging-style-components] New acp_styles template
  [feature/merging-style-components] New acp_styles
  ...
[feature/merging-style-components] Fixing typo in database updater

Fixing typo in database_update.php

PHPBB3-10632
Merge pull request #675 from cyberalien/feature/merging-style-components

[feature/merging-style-components] Fixing typo in database updater
[feature/merging-style-components] Fixing typos in database updater

Yes, I failed... again. Fixing 2 more typos in database_update.php

PHPBB3-10632
Merge pull request #676 from cyberalien/feature/merging-style-components

[feature/merging-style-components] Fixing typos in database updater
[feature/class-prefix] Rename user and session to phpbb_*

PHPBB-10609
[feature/class-prefix] Rename auth => phpbb_auth

PHPBB3-10609
Merge remote-tracking branch 'github-igorw/feature/class-prefix' into develop

* github-igorw/feature/class-prefix:
  [feature/class-prefix] Rename auth => phpbb_auth
  [feature/class-prefix] Rename user and session to phpbb_*
[ticket/10735] Changing locator paths structure

Changing locator paths to 2 dimensional array

PHPBB3-10735
[ticket/10733] Extending get_source_file_for_handle

Extending resource locator's function get_source_file_for_handle to find all files. This modified function should be used by template events to locate all templates before compiling them.

PHPBB3-10733