fixed some urls in guide; moved elasticsearch png file to proper location, to be seen by apidoc generator

Code style fixes

this term is resolveable by the php docs when linking types in apidoc

Update HttpBearerAuth.php

typo fix

* 'master' of github.com:yiisoft/yii2:
  Make code coverage work
  Note about  embedded documents added to mongodb extension readme
  yii\mongodb\file\Collection::ensureMongoId() fixed to suppress exception on invalid _id format.
  yii\mongodb\file\ActiveRecord::update() fixed to save the attributes while updating file.
  Fixes #2661: Added boolean column type support for SQLite
  Refactored controller creation process.
  Added back some toArray() implementations.
  Fixed test break.
  Update console-migrate.md
  Fixes #2655: Arrayable and ArrayableTrait are incompatible for some PHP versions.
  Fixes #2659
  Minor code style fixes for apidoc
  Changed assertions
  fix tests

Update advanced app tests

Corrected 'class' parameter

Corrected 'class' parameter

* code-style:
  fix php5.4 array syntax
  many phpcs fixes
  fix phpDoc LuaScriptBuilder build @throws
  returned back formatting language files
  code style. WHILE
  code style. FOR
  code style. FOREACH
  code style. operator IF
  @param, @var, @property and @return must declare types as boolean, integer, string, array or null
  short echo tags
  short array syntax

Advanced app: Username should be unique

* 'feature' of https://github.com/mongosoft/yii2:
  returned back formatting language files
  code style. WHILE
  code style. FOR
  code style. FOREACH
  code style. operator IF
  @param, @var, @property and @return must declare types as boolean, integer, string, array or null
  short echo tags
  short array syntax

Conflicts:
	extensions/apidoc/commands/RenderController.php
	extensions/apidoc/models/BaseDoc.php
	extensions/apidoc/models/Context.php
	extensions/apidoc/templates/bootstrap/Renderer.php
	extensions/apidoc/templates/bootstrap/layouts/guide.php
	extensions/apidoc/templates/bootstrap/layouts/main.php
	extensions/apidoc/templates/bootstrap/views/index.php
	extensions/apidoc/templates/html/Renderer.php
	extensions/apidoc/templates/offline/views/index.php
	extensions/apidoc/templates/offline/views/offline.php
	extensions/apidoc/templates/online/views/index.php
	extensions/elasticsearch/Connection.php
	extensions/redis/ActiveQuery.php
	framework/base/ErrorException.php
	framework/helpers/BaseFileHelper.php
	tests/unit/framework/helpers/FileHelperTest.php

Merge pull request #2622 branch 'ext-codestyle-fix' of https://github.com/AlexGx/yii2 into code-style

* 'ext-codestyle-fix' of https://github.com/AlexGx/yii2:
  fix php5.4 array syntax
  many phpcs fixes
  fix phpDoc LuaScriptBuilder build @throws

Conflicts:
	extensions/apidoc/commands/RenderController.php
	extensions/apidoc/models/BaseDoc.php
	extensions/apidoc/templates/BaseRenderer.php
	extensions/apidoc/templates/bootstrap/Renderer.php
	extensions/apidoc/templates/bootstrap/layouts/guide.php
	extensions/apidoc/templates/bootstrap/layouts/main.php
	extensions/apidoc/templates/html/Renderer.php
	extensions/apidoc/templates/offline/Renderer.php
	extensions/apidoc/templates/offline/assets/AssetBundle.php
	extensions/apidoc/templates/offline/views/index.php