* master: (59 commits)
  updated ext composer.json for issue labels
  moved redis to extensions
  fixed whitespaces
  update composer to include sphinx
  Added initial steps about configuring DB-based RBAC
  Fixes #1297: CSRF not generated on error pages
  fixes #1158 mentioned @web alias in docs
  Merged RBAC draft into authorization
  "yii\sphinx\ActiveQuery" updated to throw exception on conflict between "asArray" and "snippetByModel" options.
  Code style and docs at "yii\sphinx\*" fixed.
  Docs for Sphinx extension updated.
  Redundant typecast removed from yii\sphinx\ActiveRecord::create()
  yii\sphinx\Command reworked to extend yii\db\Command. yii\sphinx\DataReader removed.
  Sphinx Active Record updated to be compatible with ActiveDataProvider.
  Sphinx documentation updated.
  Sphinx documentation updated.
  Sphinx has many relation test prepared.
  Sphinx Query refactored.
  Create relation methods added to Sphinx Active Record.
  Sphinx Query Builder updated to respect column types for where statements
  ...

[ci skip]

Sphinx fulltext search engine integration

* master:
  Fixes #1253
  Fixes #1310: ActiveRelation does not preserve order of items on find via() and viaTable()
  fixed limit/offset for sqlite,mysql and cubrid
  fixed test break.
  Fixed test break.
  Fixes #1301: fixed scenario generation when there are "except" scenarios.
  support for batch insert in sqlite older than 3.7.11
  Fixes #1298: supporting route with trailing slash.
  Fixes #1296: stricter check of dashes in route.
  Fixes #1307: move batchInsert() to base class.
  Update apps-advanced.md

support for batch insert in sqlite older than 3.7.11

tests for this are on elasticsearch branch (due to huge refactoring
there) and will come later by merge

Update apps-advanced.md

Should run migration to import yii tbl_user if not the sign up/login may report error.

* master:
  Fixes #1248: url manager didn't handle array parameters well.
  travis: speed up composer
  fixes #1306
  fixed travis and composer issue
  fixed array helper test
  fixed Sort test
  some clarification on model docs
  fixed Sort::params to be retrieved from Request instead of $_GET
  revokeAll() implementation for PhpManager
  revokeAll() implementation for DbManager
  added abstract function revokeAll()
  indentation fix
  fixes #1303: Security::decrypt now returns null w/o error when null is passed as $data
  Added link to new RBAC page
  added link to forum thread
  Basic information about RBAC
  RBAC documentation
  added revokeAll() test
  refactored redis AR Query::scalar()

Conflicts:
	.travis.yml

implements #563 - revokeAll()