remove gblocks since it is non-free
add license and cite info for clustal-omega
add license and cite info for clustalw
add license and cite info for hmmer
update melting to 5.1.1 and add license & cite info
remove muscle because it is proprietary (no explicit license)
add oma license and cite info
remove paml due to license restrictions
add pfamscan license and cite info
add raxml license and cite info
add license and cite info for t-coffee
add license and cite info for trimal