Merge branch 'master' of https://github.com/mne-tools/mne-cpp
Merge branch 'master' of https://github.com/mne-tools/mne-cpp
Merge branch 'master' of https://github.com/mne-tools/mne-cpp
Merge branch 'master' of https://github.com/mne-tools/mne-cpp
Merge branch 'master' of https://github.com/mne-tools/mne-cpp
Merge branch 'master' of https://github.com/liminsun/mne-cpp
Merge branch 'master' of https://github.com/mne-tools/mne-cpp
Merge branch 'master' of https://github.com/mne-tools/mne-cpp
Merge branch 'master' of https://github.com/liminsun/mne-cpp
Add the mutex control for noise spectrum readout