fixes range calculation in the presence of NA (see ParkerICI#32)

fixes ParkerICI#29

updated README

closes ParkerICI#19

added launch.browser option

added launch.browser option

fixed bug with duplicated keywords

implemented concatenate_fcs_files + minor fixes

plots are sized to the window size, closes ParkerICI#17

fixed problem with latest version of flowCore, closes ParkerICI#16