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.
Fixes #1107: if basename of Gii CRUD model and search model are equal than alias is automatically used for search model
Fixes #1096: pgsql: sequence name not matched
Fixes #1060: added code comment
moved unit test from cubrid to general

should be tested for all dbms not only cubrid even if the problem may
not exist in all of them it is good to verify that.