Retrieve embedded resources with file: protocol

HTTP Request - Ignore embedded resources failed
Enable "ignore failed" for embedded resources

Parent success with a embedded resource failed

View Results in Table - child sample display
Add option to TableVisualiser to display child samples instead of parent

Key Store - multiple certificates
Allowing multiple certificates (JKS)

Aggregate graph improvements
Some improvements on Aggregate Graph Listener:
new GUI for settings
dynamic graph size
allow to change fonts for title graph and legend
allow to change bar color (background and text values)
allow to draw or not bars outlines
allow to select only some samplers by a regexp filter
allow to define Y axis maximum scale

Aggregate Graph bar
