Added 'fill' algorithm to 'segmentFeatures'
Fixed output format of 'default' algorithm for 'segmentFeatures'
Added segmentation phase to 'test.m' with new test iamge 'ideal/4.png'
Updated 'simple' algorithm for 'removeStaffLines'
Renamed 'data'no lines' to 'data/lineless'

Signed-off-by: Jimmy Yu <jimmy.w.j.yu@gmail.com>