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
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
added mail count filtering
changed labels
fixed label in view
Merge pull request #2438 from Ragazzo/debug_module_mail_improvements

Debug module mail improvements
Fixes #2409: Added support for fetching data from database in batches