AUI-1332 Fire an event on the AUI Diagram Builder Base's renderUI method instead of calling AUI Diagram Builder Settings' renderTabs if it exists and listen for the event there

Signed-off-by: Henrique Vicente <henriquevicente@gmail.com>
AUI-1332 Move the aui-available-field submodule from the aui-diagram-builder to the aui-property-builder module

Signed-off-by: Henrique Vicente <henriquevicente@gmail.com>
AUI-1332 Renaming DiagramBuilderSettings to PropertyBuilderSettings

Signed-off-by: Henrique Vicente <henriquevicente@gmail.com>
AUI-1332 Renaming DiagramBuilderBase to PropertyBuilder

Signed-off-by: Henrique Vicente <henriquevicente@gmail.com>