<ticket>#489</ticket> <bugfix>opening .vtl files fails</bugfix>
<ticket>#489</ticket>
<bugfix>opening .vtl files fails</bugfix>

core/db/locator.py:
- FileLocator.__new__: changed to use the new (filename, **kwargs) syntax
- FileLocator.from_link_file: use new syntax in FileLocator call

minesense/VisTrails,Nikea/VisTrails,minesense/VisTrails,hjanime/VisTrails,minesense/VisTrails,VisTrails/VisTrails,minesense/VisTrails,VisTrails/VisTrails,hjanime/VisTrails,VisTrails/VisTrails,VisTrails/VisTrails,hjanime/VisTrails,Nikea/VisTrails,hjanime/VisTrails,celiafish/VisTrails,celiafish/VisTrails,Nikea/VisTrails,VisTrails/VisTrails,minesense/VisTrails,celiafish/VisTrails,Nikea/VisTrails,hjanime/VisTrails,celiafish/VisTrails