Changed URLs to use ';' instead of '&' (for XHTML compliance)

Fixed a couple of typos
fixed & -> ;

Fixed missing alt and /> on area elements
changes from branch-vega-31-dev
fixed && back to &
genesnpview fixes
fixed double alt and also unnecessary imagemap elements
vega fix
fixed colourmap
fixed exon highlighting
new red box code
changed genotype variations to genotyped SNPs
removed shouts
added titles
white space

Now uses 3 digits (with zero padding) for ordering, not 2

Zmenu can now use any number of zero-padded digits for ordering
changed scalebar to put species in on multispecies display... fixed gene colouring
removed shouts