Add the mouse moving CapturePoint. This function support to read spectrum with mouse moving.
change the first char of functions' name
Merge branch 'master' of git://github.com/liminsun/mne-cpp

Conflicts:
	applications/mne_x_libs/xDisp/frequencyspectrumwidget.cpp
	applications/mne_x_libs/xDisp/frequencyspectrumwidget.h