Added build configs to allow stereo boards to also be attached to the analyser using the spare DAC & ADC connections
Resolved build warnings
Pass NUM_ANALYSIS_INTERFACES define for xscope_handler(),and use for analysis_control_if and error_reporting_if array lengths.
Merge branch 'master' of git://github.com/pthedinger/sw_audio_analyzer
Merge and tidy various branches together.
Make default signal gen volume configurable by the app
Merge pull request #12 from davelxmos/default_volume_config

Make default signal gen volume configurable by the app
Ensure the relay is closed at startup
Merge git://github.com/xcore/sw_audio_analyzer