update Gaia to 2013-05-08 tip of v1-train branch (w/e.me coords fix bug 867514)
update B2G to 2013-05-08 tip of b2g18 branch (w/icon fix bug 865210)
Merge pull request #511 from mykmelez/update-b2g-gaia

update B2G/Gaia to 2013-05-08 tips of b2g18/v1-train branches (w/pending fixes)