Export embl files

Arguments for this program:

1. Gene annotation XML result filename
2. Embl general info XML filename
3. FNA file with both header and contigs' sequences
4. Prefix string for output files

Embl general info XML sample:

<embl_xml>
	<id>circular; genomic DNA; WGS; ENV;</id>
	<definition>Genome of Lactobacillus pentosus. contig00001</definition>
	<organism>Lactobacillus pentosus</organism>
	<organism_complete_taxonomy_lineage>
	cellular organisms; Bacteria; Firmicutes; Bacilli; Lactobacillales;
	Lactobacillaceae; Lactobacillus
	</organism_complete_taxonomy_lineage>
	<mol_type>genomic DNA</mol_type>
	<strain>environmental_sample</strain>
</embl_xml>