Correct homeinfo strings where necessary (Bug 892959)

The "Homepageinfo" and "Homeinfo" strings were not
consistent as they sometimes referred to the
dashboard. I changed them where needed.

Change-Id: I1061c5e662d76402d6041a6a0adffe9a698267bc
Signed-off-by: Kristina D.C. Hoeppner <kristina@catalyst.net.nz>