add hint for unit tests to README
improve logging in speech recognition script

Print git commit hash in log file.
improve logging in speech recognition script

Logging is switched off for all files but the first. This produces logs
that are about one hundred times smaller.
Merge NS-ICA2 Algorithm to master

This is an improved ICA-based nullsteering. Allowing all possible angles
instead of only angles in the back half.
Merge branch 'master' into ica2

To get improvements in speech recognition script. (smaller logs and
commit hash in log)
bugfix

ICA-MAP algorithm was never called when configured.
bugfix

wrong function call
fix function name
bugfix

add missing closing braces
bugfix

correct handling of first iteration
remove debug message