Initial MSSQL related commit.
Merge branch 'master' of github.com:yiisoft/yii2 into mssql

Conflicts:
	yii/db/Connection.php
MSSQL driver classes moved to the proper location.
MSSQL table metadata parsint (initial version).
MSSQL Schema: methods order changed, initial data type infer.
Initial MSSQL tests.
Merge branch 'master' of github.com:yiisoft/yii2 into mssql
"yii\console\controllers\AssetController" has been updated:
 - assetManager has been converted into virtual property
 - bundle dependency load has been fixed
Unit test for "yii\console\controllers\AssetController" has been adjusted.
Method "yii\console\controllers\AssetController::loadBundleDependency()" has been improved allowing dection of the circular dependency.
E_NOTICE at "yii\console\controllers\AssetController::loadBundleDependency()" has been fixed.
"yii\console\controllers\AssetController::getAssetManager()" has been updated enforcing 'basePath' and 'baseUrl' config parameters.
Merge branch 'master' of github.com:yiisoft/yii2 into 313-Inflector-Helper

* 'master' of github.com:yiisoft/yii2:
  updated the README file of the bootstrap app.
  readjusting files for the framework package.
Inflector second revision
Merge branch 'upstream' into 313-Inflector-Helper

* upstream:
  Fixes issue #320: Module::createController() will fail with a route with trailing slash.
  Fixed test break about AssetController.
  requirements css.php twitter bootstrap update to 2.3.2
  Twitter bootstrap updated to 2.3.2
  Modified the IAssetConvert interface.
  hashing the key for registerCss and registerJs.
  Update AccessRule.php
  refactored code after feedback
  Fixed framework path.
  Added support for View::POS_READY.
  new proposed structure
  remove from master (update track)
  made some changes, fix some pitfalls, remove PHP_EOL
  #20 proposed architecture for bootstrap

Conflicts:
	yii/helpers/base/Inflector.php
Merge branch 'asset-command' with 'master'
Do comments at "yii\console\controllers\AssetController::saveTargets()" has been adjusted.
added tests
finished all tests
Merge branch 'upstream' into 313-Inflector-Helper

* upstream:
  Enhanced the detection of secure connection.
  Refactored Modal.
  < PHP 5.3 compatibility for req checker
  code style and UI improvements to requirements checker
  readded accidentally removed .gitignore file
  Changed Yii.php case in some files where it was wrong
  Finished bootstrap Widget and Modal.
  PHP Intl extension has been added to default Yii requirements.
  moved optional packages to "suggest", updated platform requirements
  "vendor-dir": "vendor" is default, removed
  fixed auth manager unit test to not expect generic exception
  fixed range requests, tests improved