fix for external links from phenotype features
fix when no gene name available to look up associated variations
change VEP download link to be consistent with others under VEP docs
check that we can call score before using it (oligos can't use it but also use this glyph)
Secondary structure bug (Emily 28 Feb 2014).
Normal renderer not bumping (bug SWilder Mar 2014).
Stats tables: hide rows with zero values
Bug fix: Track name can be '0' at times

The code ignored the tracks if their id is false
Redirect vep download link from mirrors to www
Added data file formats to allowed file types (obscure Apache bug)
Provide compara objects to the plugin override method
Merge pull request #35 from nicklangridge/release/75

Provide compara objects to the _counts plugin override method
Typo in URL
Helptip added to Checklist labels
Improvements to selectToToggle

Can now accept multiple classes starting with _stt__ to define multiple selectors to show/hide
Class name can be a string or an arrayref
Sprites need to be in webcode for drawing code.
Bug fix: Newline chars get ignored breaking <pre>

Don't ignore the newline characters while returning the final output HTML
While embedding an HTML file, only embed the contents of the <body> tag, not the whole HTML
Clear circular refs to allow object destruction

Remove child nodes from all elements after rendering them to clear circular references, thus allowing object to destroy.
Trackhub 'color' parameter should override our guess at track colour!

Conflicts:

	modules/Bio/EnsEMBL/GlyphSet/bigbed.pm