- Added model system/Filters_model to manage system.tbl_filters
- Removed method execQuery from model system/UDF_model
- Added property executedQueryMetaData to DB_Model
- Added property executedQueryListFields to DB_Model
- Added method getExecutedQueryListFields to DB_Model
- Added method getExecutedQueryMetaData to DB_Model
- Added method execReadOnlyQuery to DB_Model to execute read only queries from outside a model
- Changed DB_Model method _toPhp to store infos about an executed query into properties executedQueryMetaData and executedQueryListFields
- Updated library UDFLib to use execReadOnlyQuery
- Added widget FilterWidget to render and manage a filter into VileSci
- Added views widgets/filter/selectFields, widgets/filter/selectFilters and widgets/filter/tableDataset used by FilterWidget