Raw content return for Grid DataColumn & Column

Need to have a method  `getDataCellContent` to return raw parsed data cell content. This is useful when extending these Columns, for processing any other data before formatting via `renderDataCellContent`.
Raw content return for Grid DataColumn & Column

Need to have a method  `getDataCellContent` to return raw parsed data cell content. This is useful when extending these Columns, for processing any other data before formatting via `renderDataCellContent`.
Raw content return for Grid DataColumn & Column
Raw content return for Grid DataColumn & Column
Removed unnecessary blank space
Removed unnecessary blank space
added yii console command to tests
first draft of the extension generator
Fixed test break.
fixed test break.
minor doc improvement.
Fixed test break.
Fix for multiple $.ajax calls with "JSONP" dataType (related to #2417)
forcing user component to logout
visibility changed
Merge pull request #2434 from Ragazzo/tests_improved

Tests improved
ensure populateRelation() is called for lazy loading.
Mistype fix
Merge pull request #2437 from maximal/patch-1

Mistype fix
fixed matcher to work with strings that represents integer values