Bug 903135 - Updates to libmar needed to support B2G MAR signature verification. r=bbondy
Bug 903135 - Multi platform MAR verification build config. r=rstrong
Bug 903135 - Multi platform MAR verification updater support. r=rstrong
Bug 903126 - Don't use an xpcshell cert for verification. r=rstrong
Bug 903126 - Replace DER file with XPCShell cert. r=rstrong
Bug 991993: Disable NSS for updater on OSX and enable native APIs. r=smichaud,rstrong