Provides a default to otherProjectsLinks configuration parameter

Deploy: Requires the "otherProjectsLinks" setting to be set
on client
Change-Id: Ie6ccb218e835991f57b3283cfa75d3934cc5cf1f
(cherry picked from commit 82cecdc64930dc7c03931b62c0fbff5af77e44e4)
Merge "Provides a default to otherProjectsLinks configuration parameter" into mw1.24-wmf14