core-20131207 Fire propertyChange event when detail view loading
PATCH-20131223 listEditor: change the default comparator of String from `starts_comparator` to `contains_comparator`
PATCH-20131224 - PQGrid i18n

and PQGrid improve: use `flexHeight`=false, and add `freeze-columns` feature.
Support `EnumLetterType` field in SQL Query.