Updated documentation for map_coordinates - ENSCORESW-2089

Enscoresw 1971 transl_table qualifier added to genbank and embl flat file dumps

Added abstract method _tables implementation to TranslationAdaptor as…

Updates to add projection parent as attributes in gtf and gff dumps -…

Further updates to include transl_table in flat files - changed method call to _get_codon_table_id - ENSCORESW-1971

For MySQL version 5.6 and above,  FLUSH TABLES is not permitted when there is an active READ LOCK. Added new code to run a FLUSH WITH READ LOCK for MySQL version 5.6 and above

Updates to include projection parent id in GTF dumps - attribute code…

Added abstract method _tables implementation to TranslationAdaptor as needed by generic_count in BaseAdaptor - ENSCORESW-1995

added multi-species database support

Updates to include projection parent id in GTF dumps - attribute codes proj_parent_g, proj_parent_t added to the dumps if available - ENSCORESW-2003

Fixed bug in set_gene_descriptions where filtered descriptions were b…

Enscoresw 1844 - allow SliceAdaptor to consider negative coordinates, as well as open-ended ranges

Updated documentation in POD for the routine parse_location_to_values - Further updates to ENSCORESW-1844

Feature/searchbyontologylinkage

Enscoresw 1481 - allow mapper to return original coordinates as well as mapped coordinates in the result

New schema patches to allow the ensembl_ontology schema to work on ne…