Added cross to shape library.
match code style
Relative size plugin
fix 'mousedown' in _downHandler

'mouseup' was dispatched instead of 'mousedown' in _downHandler
bind 'mousedown'
Fixing FA2 config issues
Updating gexf parser's version
Parser now handles liststring type.
Just removed tabs from PR #259
Minor fix in Gruntfile.js
Replaced tabs by spaces in relativeSize plugin