mozilla-b2g/B2G — pull request #109 by marshall (2012-09-11 21:01:55+00:00)
Title: Standalone gaia is now flashed to /system/b2g when VARIANT is user or userdebug

This works the same way as VARIANT for build.sh, i.e:
```
$ VARIANT=user ./flash.sh gaia
or...
$ echo "VARIANT=user" >> .userconfig
$ ./flash.sh gaia
```