fixed spaces -> tabs
Removed @property declaration
Added more docs about second param.
Fixed docs
Merge pull request #2066 from Ragazzo/CComponent-attachBehavior-method-fix

Added more docs about second param for CComponent::attachBehavior()
Merge pull request #2065 from Ragazzo/CDbTestCase-property-fix

Removed @property declaration in CDbTestCase
doc fix
optimized by replacing a function reference with direct syntax
Merge pull request #2071 from and-ers/master

Optimized null check
[NL] Translation updated
Merge pull request #2074 from Blizzke/master

Dutch translation updated for the latest changes
[ci skip]
Fix query string problem #2078 with CListView and CGridView when enableHistory=true
Small changes in docs
Merge pull request #2079 from Parpaing/2078-fix-for-CListView-and-CGridView-query-string-bug

Fix query string problem with CListView and CGridView
[ci skip]
Merge pull request #2067 from Ragazzo/CDbCommand-dropTable-createTable-fix

Fixed docs for createTable and dropTable methods
[ci skip]
ru: updated messages
ru: updated docs
Update framework/messages/fa_ir/yii.php

Fix the translation for 'Go to page: '
Merge pull request #2083 from neopersia/master

fa_ir: update messages
.hgignore has wrong rule for assets folder. Described and solved here: http://www.yiiframework.ru/forum/viewtopic.php?f=3&t=10464&p=62389