Revamped save dialog

Changes in GenomeView
- revamped save dialog to be more comprehensive and intuitive
- ghost outline for total coverage is lighter
- comparative annotations show with intron-exon structure
- use synonym service to find a common name for data entries
- remember last loaded data an location for next start-up
- confirm dialog when closing GV
- location and individual config options can be specified in sessions files

Changes in JAnnot
- fixed issue in EMBL parser for valueless keys
- fixed issue in Genbank parser for values containing slash
- GTF parser better handles quotation marks
- Added synonym service as a config file, this will be expanded in the future