Merge pull request #1101 from lucianobaraglia/master

Typo [skip ci]
Added note about "Inconsistent types declared for an argument: U_ARGUMENT_TYPE_MISMATCH" ICU error to i18n docs
Added info about class-level event handlers to doc
fixed gridview message pattern
made intl messages more compatible with various ICU versions

issue #1072
Fixes #1106
Fixes #1104. Model generator table names auto complete.
Merge pull request #1109 from resurtm/fixes-1104-gii-table-autocomplete

Fixes #1104. Model generator table names auto complete.
fixed typo
Add CoffeeScript and TypeScript commands to AssetConverter.
Merge branch 'master' of github.com:yiisoft/yii2
added brief description of forms
some docs on Authentication
started authorization docs
added composer basic docs
Fixes #1105: better validation for Gii model generator
Gii: renamed action "new" to "create"
Better alias paths for advanced application
Fixes #1107: Gii CRUD generator now validates same named model and search model class names
Fixes #998: Added support for generating canonical URL.