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This is necessary so that after installation client can be easily run.

Flowgraphs (ofdm_receiver, ofdm_transmitter and sr0_fg) will be obtain-
ed from server in the future, however at the moment protocol does not
handle dependencies and flowgraph was updated manually. In CEInterface
changes of protocol were implemented and tested. According to protocol
client must listen for possible reconfiguration of flowgraph for the t-
otal session time.

https://trello.com/c/wIlcidiT

See commit cognitiveengine commit message
commit: e1571117964eb6f902e6459b7b5b58c189f56dd2

https://trello.com/c/Kxx5r9Cc

Once client is allocated it must listen for possible future reconfigur-
ation. Session now remains open for the full duration of the assigned
time slot.

https://trello.com/c/YsCrFIJZ

To allow dynamic reconfiguration of sampling rate and rx/tx frequencies
the phy layer needs to be built up from basic blocks. The OFDM transmi-
tter and receiver blocks are now made from basic OFDM blocks, and they
are configured whit the parameters in YAML configuration file.

https://trello.com/c/d76vSl0w

Before server.run method was blocking the execution and needed to be
called on a separate thread. Now server class runs server on a new thread
upon calling server.start() method. Stoping a server is now done with
simple call of server.stop() method. After a server class initialization
is_server_enabled() must be called to check if network socket binding
to given IP/port was successful. is_server_enabled() method wrapps previously
exposed running_enabled method.

https://trello.com/c/mdJq1bCh

Comments are now in format suitable for parsing with SPHINX. All current
documentation is auto generated.

https://trello.com/c/MwjDlvsi

All tests run automatically. Script runtests.py looks in rftwo/test
folder and loads all TestCases in modules starting with 'test_' and
ending with '.py'. Some tests require presence of USRP and some must
be run under SUDO. Configuration for application is now parsed from YAML
config file.