Updated log4net for Glimpse.package
Added cacheing to for contributor api
Undo upgrade to log4net
Removed _Contributors partial page from project
Added GitHub Contrib image to project
Updated avatar urls in json team file
Updated Avatar url settings on Home Page
Updated Home Page with new Avatar Urls
Updated Image Height and Width to 150
GitHub contributors only called on the home page.

Added a check to see whether we're on the home page before calling
loadContributors.