Issue #3154 - DataColumn filter model validation error indication added
Issue #3154 - GridView - list of filter model validation errors added to summary
Issue #3154 - DataColumn checkForFilterErrors() now use Html::addCssClass
made grid\DataColumn::getDataCellValue() public

allow using it from the gridview directly
BaseListView - errors rendering added
GridView - error rendering scheme changed
ensure gridview query is reusable

apply pagination and sorting to a clone of it.
GridView/DataColumn - moved error list display into GridView
Fixes #3036: Upgraded Twitter Bootstrap to 3.1.x
DataColumn - error detection moved into renderFilterCellContent()
Fixes #3212: removed unnecessary prepare() call.
install bootstrap 3.1 by default but allow 3.0.x
Fixes #1263: Fixed the issue that Gii and Debug modules might be affected by incompatible asset manager configuration
Fixes #3216: Fixed the bug that `yii.activeForm.destroy()` did not remove `submit` event handlers
phpdoc issue

[ci skip]
Fixes #3216.
Refactored the code for #3154
fixed wrong client validation issue in numbervalidator

fixes #3118
Fixes #3008: Added `Html::errorSummary()`
improved phpdoc command