Stop injecting b2g.css twice. Do not inject b2g.css manually but keep using browser content stylesheet. Update b2g.css to match very last version.
push array of receipts instead of single receipt
Merge pull request #607 from nickdesaulniers/master

push array of receipts
Merge pull request #550 from ochameau/content-css

Stop injecting custom b2g content stylesheet thanks to bug 874984. Fixes #495
update B2G/Gaia to 2013-06-12 tips of b2g18/v1-train branches
Merge pull request #609 from mykmelez/update-b2g-gaia

update B2G/Gaia to 2013-06-12 tips of b2g18/v1-train branches
update version for 4.0pre6 build
update version for 4.0pre7dev development