add plot option to .find_peaks for debugging purpose
1.coerce dummy gates to fcFilter for flowClust 2. handle dummy gates in refGate construction. #77
close #82
update with latest version of  Roxygen2
implement quadGate.seq which determine the order of 1d gating automatically
add quadGate.tmix
changes due to RGLab/flowWorkspace#155
update Rd files