requirements.php typo fix.
Changed framework in dir structure to yii
"YiiRequirementChecker" console view has been reworked to display requirements by blocks and in brief for the successful ones.
code style fix of YiiRequirementChecker.php
Renamed yiirequirements.php to requirements.php
Merge branch 'master' of https://github.com/yiisoft/yii2
Merge pull request #229 from creocoder/rbac-item-assignment-improve

RBAC: Item and Assignment optimized save approach
Fixes issue #172: Implemented new usage of widgets.
Merge branch 'master' of https://github.com/yiisoft/yii2
Added default class for theme.
Added usage example of Theme.
refactored RBAC.
Build command path fix.
MS Windows EOLs → UNIX EOLs.
Skipped ApcCacheTest expire
#20 proposed architecture for bootstrap
Merge branch 'master' into bootstrap

* master: (33 commits)
  Skipped ApcCacheTest expire
  MS Windows EOLs → UNIX EOLs.
  Build command path fix.
  refactored RBAC.
  Added usage example of Theme.
  Added default class for theme.
  Fixes issue #172: Implemented new usage of widgets.
  code style fix of YiiRequirementChecker.php Renamed yiirequirements.php to requirements.php
  "YiiRequirementChecker" console view has been reworked to display requirements by blocks and in brief for the successful ones.
  Changed framework in dir structure to yii
  requirements.php typo fix.
  "requirements.php" has been added to "bootstrap" application.
  Doc comments and error messages for "YiiRequirementChecker" have been adjusted.
  Doc comments for "YiiRequirementChecker" have been updated.
  PHP version fallback for "YiiRequirementChecker" has been added.
  "YiiRequirementChecker::check()" has been updated allowing to accept filename for the requirements. Yii core requirements file has been composed.
  Check helper methods have been added to "YiiRequirementChecker".
  Web view for "YiiRequirementChecker" has been created.
  "YiiRequirementChecker::render()" has been implemented, console view has been created.
  added newline to end of header and body blocks in View
  ...
Twitter boostrap style has been applied for "YiiRequirementChecker" web view.
Yii core requirements have been updated: PHP version raised up to 5.3.3
debugger tool WIP
Merge branch 'master' of https://github.com/yiisoft/yii2