fix issue #203
add test for issue #203
checking that ExaBGP does handle incoming notifications correctly
add support for SIGUSR1 in test code
moving testing code in a separate qa folder
starting to add test code for SIGUSR1
move usage in a separate file (as sublime does not like mix of space and tabs)
create configuration groups
we filter keepalive
try to remove useless travis verbosity
fix route changes on SIGUSR1
various fixes to testing code