Cute Selenium browser to conduct a random walk through the archive.
Merge branch 'master' into selenium

Conflicts:
	pom.xml
Refactoring of Wayback/Warcbase integration points.
Merge branch 'selenium' into working
Minor tweaks.
Fixed issues #80 and #78

Issue #80: Close stream in WarcbaseResourceStore
Issue #78: Look into using Selenium to automatically navigate through the archive