the assembly_report URL is printed to STDOUT

[childers]

When running a conversion, the first line of the output is a link to the assembly_report file.

$ time seqconv convert --ref ICSASG_v2 --out gb  ref_ICSASG_v2_top_level.gff3.gz> test_salmon.gff3

$ head -n 20 test_salmon.gff3
ftp://ftp.ncbi.nlm.nih.gov/genomes/all/GCF/000/233/375/GCF_000233375.1_ICSASG_v2/GCF_000233375.1_ICSASG_v2_assembly_report.txt
##gff-version 3
#!gff-spec-version 1.21
#!processor NCBI annotwriter
#!genome-build ICSASG_v2
#!genome-build-accession NCBI_Assembly:GCF_000233375.1
#!annotation-date 22 September 2015
#!annotation-source NCBI Salmo salar Annotation Release 100
##sequence-region CM003279.1 1 159038749
##species https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?id=8030
CM003279.1	RefSeq	region	1	159038749	.	+	.	ID=id0;Dbxref=taxon:8030;Name=ssa01;breed=double haploid;chromosome=ssa01;dev-stage=adult;gbkey=Src;genome=chromosome;isolate=Sally;mol_type=genomic DNA;sex=female;tissue-type=muscle
CM003279.1	Gnomon	gene	5501	62139	.	-	.	ID=gene0;Dbxref=GeneID:106560212;Name=LOC106560212;gbkey=Gene;gene=LOC106560212;gene_biotype=protein_coding
CM003279.1	Gnomon	mRNA	5501	62139	.	-	.	ID=rna0;Parent=gene0;Dbxref=GeneID:106560212,Genbank:XM_014160784.1;Name=XM_014160784.1;gbkey=mRNA;gene=LOC106560212;product=fibroblast growth factor receptor 3-like;transcript_id=XM_014160784.1
CM003279.1	Gnomon	exon	61647	62139	.	-	.	ID=id1;Parent=rna0;Dbxref=GeneID:106560212,Genbank:XM_014160784.1;gbkey=mRNA;gene=LOC106560212;product=fibroblast growth factor receptor 3-like;transcript_id=XM_014160784.1
CM003279.1	Gnomon	exon	43486	43714	.	-	.	ID=id2;Parent=rna0;Dbxref=GeneID:106560212,Genbank:XM_014160784.1;gbkey=mRNA;gene=LOC106560212;product=fibroblast growth factor receptor 3-like;transcript_id=XM_014160784.1
CM003279.1	Gnomon	exon	23978	24241	.	-	.	ID=id3;Parent=rna0;Dbxref=GeneID:106560212,Genbank:XM_014160784.1;gbkey=mRNA;gene=LOC106560212;product=fibroblast growth factor receptor 3-like;transcript_id=XM_014160784.1
CM003279.1	Gnomon	exon	16966	17019	.	-	.	ID=id4;Parent=rna0;Dbxref=GeneID:106560212,Genbank:XM_014160784.1;gbkey=mRNA;gene=LOC106560212;product=fibroblast growth factor receptor 3-like;transcript_id=XM_014160784.1
CM003279.1	Gnomon	exon	5501	5691	.	-	.	ID=id5;Parent=rna0;Dbxref=GeneID:106560212,Genbank:XM_014160784.1;gbkey=mRNA;gene=LOC106560212;product=fibroblast growth factor receptor 3-like;transcript_id=XM_014160784.1
CM003279.1	Gnomon	CDS	43486	43633	.	-	0	ID=cds0;Parent=rna0;Dbxref=GeneID:106560212,Genbank:XP_014016259.1;Name=XP_014016259.1;gbkey=CDS;gene=LOC106560212;product=fibroblast growth factor receptor 3-like;protein_id=XP_014016259.1
CM003279.1	Gnomon	CDS	23978	24241	.	-	2	ID=cds0;Parent=rna0;Dbxref=GeneID:106560212,Genbank:XP_014016259.1;Name=XP_014016259.1;gbkey=CDS;gene=LOC106560212;product=fibroblast growth factor receptor 3-like;protein_id=XP_014016259.1