RivuletExpDataProcessing changelog 31.01.2013

distinguishable_colors.m
- this function was extracted from the code of postProcPlotting.m to
  be availible also in normDistParsFit.m (in future changelog, this
  function will be modified by removal of this code)

RivuletExpDataProcessing.m
- the code was modified only to be capable of working with
  normDistParsFit.m function
- newly, also the path to image source directory is saved into
  handles

normDistParsFit.m
- export of results in text files was completed
- slight changes were made to ploting, distinguishable_colors.m was
  used to obtain colors to show and line style was changed
- program was tested for different liquid flows on DC 5 oils and the
  theory of normal distribution of the profile doesnt describe the
  3 dimensional waves which occur for higher liquid flow intensities