Fix: Table sorting after pressing clear button
PmTable event handling

  . Moved pageable collection to table event handling to internal helper
  class
  . PmEvent: moved sort order and filter events from value change to
  separate main event flags.
Prepare vetoable setFilterExpression fix.
Prepare vetoable setFilterExpression fix.
Prepare vetoable setFilterExpression fix.
Merge pull request #7 from pm4j/TableSortingAfterPressingClearButton

Table sorting after pressing clear button