changes in the camsa_points2fasta.py conversion script:
changes in the camsa_points2fasta.py conversion script:

* added --genomes-order flag to indicate in which order sequence groups shall be processed
* expanded logging messages into more useful ones
* fixed a bug when gap of size 0 was treated incorrectly

compbiol/CAMSA,compbiol/CAMSA,compbiol/CAMSA,compbiol/CAMSA