Added empty module for bottom toolbar
Initialise a bottom toolbar
Added event handler stubs for Toolbar
Added method stub to apply class behaviour
Added method to get parent element bottom
Handle start of touch event
Handle touch move event
Added function to hide Toolbar
Hide the toolbar unless drag-to-show is completed
Clear timers when starting touch
Auto-hide toolbar after timeout
Hide the Toolbar after timeout in main
Merge branch 'feature-toolbar'
Added scour as submodule
Added check for SVG support
Remove toolbar unless SVGs are supported
Minify and inline img elements with SVG src
Merge branch 'feature-svg'
Added check for fullscreen support
Added click handlers for fullscreen buttons