make meteor as the default test command
Merge pull request #30 from arunoda/meteor-as-default-command

make meteor as the default test command
removing mrt update

Now we don't need it. And it never does anything important.
mrt -> meteor
mrt -> meteor
Merge pull request #31 from dandv/patch-1

mrt -> meteor in README
Merge pull request #33 from dandv/patch-3

mrt -> meteor