glue_logos
shift --> shift.to_i fixed
option parse --x-unit --y-unit for generate_all_logos
ppm supporting methods moved in ytilib
namespace SequenceLogo is now used
draw_threshold_lines extracted
non-bang PPM#revcomp created
paper_mode removed
unstable
Lots of old stuff removed. Sequence_logo and glue_logos significantly changed
removed unnecessary stuff
tmp
remove unnecessary stuff
Merge branch 'execs'

Conflicts:
	lib/sequence_logo.rb
	lib/sequence_logo/pmflogo_lib.rb