update tests/wamp README file, based on changes from dporopat.

Fixed WAMP test (crossbar confile upgrade and use same ID on both PLC and IDE side)

Fixed changes from dporopat and agregorcic about WAMP CRA and config.

WAMP runtime : changes from dporopat and agregorcic, adding CRA (-s) and changed way to load WAMP conf (-c)
- added Challenge Response Authentication,
- use -s commandline switch to give the shared secret.
- WAMP configuration now either given as -c commandline switch
or taken as default wampconf.json in project files.

Set WAMP registration option so that reconnecting while earlier session still didn't timeout is possible (in case of connection lost, for example).

More canonical overload of ReconnectingClientFactory (according twisted doc)

non significant print syntax change. ready for py3.

whitespace cosmetic for pep8

Added arbitrary timeout on Pyro, to force it to free memory after disconnect.

Moved code from to Beremiz_service.py Server class Start method to Loop method to allow customisation by hot patching. Also renamed Stop method as _stop and use Restart instead of Stop from everywhere else to make it clear that _stop actually does restart...

enforce PEP8 in previous commit

replaced normal panel with scrolled panel under project properties

fix missing root in empty search results panel

add possibility to specify subprocess stdout encoding

fix deadlock if method kill() is called after process is already finished