Implemented basic loading screen and interm CSS.  Added a go back button
as speced.
Revert "Implemented basic loading screen and interm CSS.  Added a go back button as speced."

This reverts commit c070286734cae6bd1340de471c23a8d277962751.
Merge branch 'test'
Added support for incoming links metric
small cleanup to previous commit
Merge branch 'master' into test

Conflicts:
	webapp/src/main/java/com/shopzilla/ucla/cs130/seotool/team2/webapp/WebApp.java