Moving includes/template/ to includes/style/, adding template_ prefix to classes that deal only with templates

PHPBB3-10632

Changing template classes prefixes from phpbb_template to phpbb_style (for classes that will work with styles) or phpbb_style_template (for classes that are specific to templates)

PHPBB3-10632

Removing theme and template tables, adding new columns to styles table, deleting acp modules, deleting code that updates theme in updater

PHPBB3-10632

…lates

Implementing possibility of unlimited levels of parent templates. Paths are stored in style_parent_tree, entries are separated by /

PHPBB3-10632

Removing theme and template entries in all files, except for acp styles section

PHPBB3-10632

Updating template inheritance section in coding guidelines

PHPBB3-10632

Removing theme.cfg and template.cfg

PHPBB3-10632

…le.cfg

Adding template data to style.cfg and removing obsolete comments

PHPBB3-10632

Adding background colors for row iterations and font color for disabled rows to admin control panel css.

PHPBB3-10632

Adjusting unit tests for new styles table structure

PHPBB3-10632

Adding new language variables for acp_styles and removing some unused variables

PHPBB3-10632

New acp_styles, completely rewritten

PHPBB3-10632

New acp_styles.html, completely rewritten

PHPBB3-10632

Creating phpbb_style class, changing template initialization to style initialization

PHPBB3-10632

Changing $style to $style_id in user::setup to avoid conflict with new global style variable

PHPBB3-10632

Renaming style locator to style resource locator

PHPBB3-10632

Changing set_templates() to set_style() and removing second parameter, changing get_main_template_path() to get_main_style_path(), removing template_root_for_style(), updating docblocks

PHPBB3-10632

Changing "template" to "style" in all functions that deal with styles, changing error messages, updating docblocks

PHPBB3-10632

Removing functions that are now handled by phpbb_style class, allowing to write $context, updating docblocks

PHPBB3-10632

Moving functions that deal with styles from template to style class, updating docblocks

PHPBB3-10632

Changing template initialization to style initialization.

PHPBB3-10632

Updating code in test cases for new template classes.

PHPBB3-10632

…style-components

* upstream/develop: (65 commits)
  [ticket/10730] Added label tag around "select" text in post splitting UI
  [ticket/10732] Add config_dev.php and config_test.php to .gitignore
  [ticket/10586] Added space in if statement
  [ticket/10586] Tidy up comments
  [task/php5.3] Updated range of tested PHP versions
  [task/php5.3] Looks like I missed a few places that needed PHP 5.2 changed to PHP 5.3.2
  [task/php5.3] Changed minimum PHP requirement for Ascraeus to 5.3.2
  [ticket/10723] Stop Travis running all tests on sqlite
  [ticket/10703] Added a condition to check if ext directory exists
  [task/travis] Refactor php version check for dbunit install
  [task/travis] Exclude functional and slow tests
  [ticket/10719] Revert "Skip functional tests on PHP 5.2"
  [task/travis-develop2] Update version from 5.3 to 5.3.2
  [task/travis] Dropping support for 5.2 in develop branch
  [task/travis] Some more small travis fixes
  [task/travis] Rename travis phpunit config files
  [task/travis] Fixing some travis issues
  [ticket/10684] Adjust function and parameter name, minor changes.
  [task/travis] Add automated testing to readme
  [task/travis] Removing development information
  ...

Conflicts:
	phpBB/install/database_update.php

Changing acp styles welcome message a little bit.

PHPBB3-10632

* develop: (175 commits)
  [feature/ajax] Remove strange non-breaking spaces from approve button
  [feature/ajax] Add entirely unrelated but nice newlines
  [feature/ajax] Unify phpbb_json_response instantiation
  [feature/ajax] Fix acp_styles activate_deactivate ajax callback name
  [feature/ajax] Send correct activate/deactivate JSON response in acp_profile
  [ticket/10270] Alter background colors for posts
  [feature/ajax] Remove not working module enable/disable ajax code
  [feature/ajax] Replace static call to phpbb_request with OO
  [feature/ajax] Remove quick-reply AJAX handling until we have something good
  [ticket/10270] Changing close button for ajax popups
  [ticket/10270] Disabling links in disappearing content
  [ticket/10291] Fixed an AJAX bug on quick reply form submit.
  [ticket/10273] Fixed accepting / denying posts AJAX.
  [ticket/10272] Removed code that was prevent event propogation in AJAX.
  [ticket/10291] Fixed a bug in the quick reply AJAX.
  [feature/ajax] Handle acp_modules error cases with JSON response
  [feature/ajax] Fix filter check, quick mod tools data-attribute
  [feature/ajax] Use the error handler
  [feature/ajax] Generic error handling with a phpbb.alert box
  [feature/ajax] Change filter semantics, some minor adjustments
  ...

Conflicts:
	phpBB/adm/style/acp_styles.html
	phpBB/includes/acp/acp_styles.php

Updating styles section in coding guidelines

PHPBB3-10632

PHPBB3-10632

Fixing notices and usability issues

PHPBB3-10632

…separately

Moving locator and path provider initialization out of style class

PHPBB3-10632

…or styles

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

PHPBB3-10632

… of style

Moving template initialization out of style constructor

PHPBB3-10632

Fixing typo in template unit tests

PHPBB3-10632

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

PHPBB3-10632