build-indexes/fetch_fasta.sh: renamed "chlamy" to "Creinhardtii169" & updated comments.
build-indexes/fetch_fasta.sh: updated 'dicty', including renaming to 'dictyostelium'.
build-indexes/fetch_fasta.sh: renamed 'ecoli' to 'e_coli'.
build-indexes/fetch_fasta.sh: rename 'dm3' to 'dm3_het_chrM_chrU'.
build-indexes/fetch_fasta.sh: updated ws200 and ws201 to fix broken download URLs.
build-indexes/fetch_fasta.sh: renamed 'hg18' to 'hg18_random_chrM' & updated info text.
build-indexes/fetch_fasta.sh: renamed 'hg19' to 'hg19_GRCh37_random_chrM' & updated info text.
build-indexes/fetch_fasta.sh: renamed 'mm9'/'mm10' to 'mm9_random_chrM_chrUn'/'mm10_random_chrM_chrUn'.
build-indexes/fetch_fasta.sh: updated checksum for PhiX.
build-indexes/fetch_fasta.sh: updated checksum for sacBay.
build-indexes/fetch_fasta.sh: updated UniVec (now build #7.1, previously #7.0).
build-indexes/fetch_fasta.sh: added new function to get all genomes at once ('fetch_all').
Updated ChangeLog.