Styles: Updated code styling.
! GroutQuick: Renamed ->_app to ->app.
! Bootstrap: Removed underscore from _get, _post, _server, _files, _cookies, _setBaseUrls(), _setBasePaths(), _retrieveUrl().
! Service, JsonDriver: Removed underscore from _task, _executeCommand().
!! Content: Removed _ from ->_data. All contents might need an upgrade.
!! DoctrineSet: Removed _ from _getEntityManager(), _getEntityClass(), _getIdField(), _getListQueryData(). All related sets need an upgrade.
!! Set: Removed _ from _collectData(), _doSave(), _doPrepareRendering(), _onLoaded(), _doDelete(). All related sets need an upgrade.
!! FileSet: Removed _ from _getDirectory(), _getExtension(), _getPath(), _getNewId(). Related sets need an upgrade.
! DatabaseConnection: Removed _ from _backupLastQuery, _lastQuery, _errorHandler. Removed method _destroy().
!! Form: Removed _ from _isSubmit(), _preInit(), _init(), _deInit(), _createDataObject(), _getData(), _checkData(), _submit(), _finishForm(). Forms need an upgrade.
AdvancedForm: Removed _ from _getNextStep(), _getPrevStep(), _isSubmit(), _preInit(), _init(), _deInit(), _createDataObject(), _getStepData(), _checkStepData(), _submitStep(), _finishForm(), _processSecurityError(), _endProcessing(). Forms need an upgrade!
!! GroutFactory: Removed _ from _onInit(), _getParentFactory(). Factories might need an upgrade.
! Buckets: Removed _ from class specific method _createBucketId().
! ConsoleBootstrap: Removed _ from _setBasePaths().
! FileContent: Removed _ from _getFileUrl().
! ImageContent: Removed _ from _image, _getImageUrl().
! TemporaryFile: Removed _ from _readAdditionalData().