add code for fetching Uniprot IDs, also remove post-fetching code that was messy, duplicating effort, and only used when using --database without --prefetch
add code for fetching Uniprot IDs, also remove post-fetching code that was messy, duplicating effort, and only used when using --database without --prefetch

Conflicts:

	modules/Bio/EnsEMBL/Variation/Utils/VEP.pm

Ensembl/ensembl-variation,dbolser/ensembl-variation,willmclaren/ensembl-variation,Ensembl/ensembl-variation,Ensembl/ensembl-variation,dbolser/ensembl-variation,willmclaren/ensembl-variation,willmclaren/ensembl-variation,willmclaren/ensembl-variation,Ensembl/ensembl-variation,dbolser/ensembl-variation,willmclaren/ensembl-variation,dbolser/ensembl-variation,Ensembl/ensembl-variation