rhel update script
Start of common locators
Enhanced tree_element to splat for consistency

InfoBlock and the new toolbar elements all take splat arguments
for the path/identification args, tree element now takes splat
arguments too for a more consistent UI experience.
Merge pull request #307 from psav/enhance_tree_element

Enhanced tree_element to splat for consistency
Merge pull request #304 from dajohnso/rhel_updates

rhel update script
Merge pull request #303 from psav/toolbar_element

Added toolbar element