Added timeoutms parameter in MemCache
Removed extra line
set default format for gridview to text

default format is text in short format so it should also be
like that in array() defintion.
Mentioning that timeoutms is available in memcache only.
Added failureCallback, reduced timeouts to 1s
cleanup MemCache timeout API after #804

use milliseconds only and fall back to seconds for older memcache
versions.
Merge pull request #805 from cebe/datacolumn-default-format

set default format for gridview to text
fix dataProvider getSort()

correct creation of new Sort object if none is there
Merge branch 'master' of github.com:yiisoft/yii2

* 'master' of github.com:yiisoft/yii2:
  set default format for gridview to text
auto fill sorting colums in ActiveDataProvider if none are configured
Lazy fallback of label creation for Sort class
Refactor DataColum to use model label for sorting link
DataColumn: Allow setting label of sort link via short syntax

attribute:type:Header should also affect sort link
use `@inheritdoc` for ActiveDataProvider::setSort
Added SafeValidator.
minor fixes of debugger.
bug fix of form generator.
finished rule generation for model generator.
Fixes #790: added visible for Nav and Dropdown
Fixes #21: implemented jQueryUI Slider