* master: (179 commits)
  Fixes #312. Additional docs on IDN in EmailValidator and UrlValidator.
  bug fix.
  Added composer extension.
  Added psr-0.
  Fixed breaking test.
  Fixed iii include path.
  reorganized the main repo to satisfy PSR-0.
  Fixed bootstrap asset registration issue.
  Widget::$transition removed, bundles depency fixed
  'yii/bootstrap/popover' bundle depency optimization
  Bundle names fixes, base widget fixes, other widgets fixes
  Fixed join query for AR.
  Responsive bundle depency fix
  Bundle names and depency fixes
  YiiBase move all after class definition
  YiiBase
  Reloaded
  Additional bootstrap packages
  New approach
  minor refactoring.
  ...

Conflicts:
	tests/unit/framework/caching/ApcCacheTest.php
	tests/unit/framework/caching/CacheTest.php

[READY] Bootstrap bundle

Uncompressed assets js files for better final compression

TypeAhead plugin

yii\bootstrap\Alert bugfixes and commentfixes

bootstrap alert widget