add ecmascript for tests

Merge branch 'dandv-patch-1'

Bumps version

Bumps version number to 0.7.6

Merge pull request meteor#23 from dimofte/package_requires_mongo

Package requires mongo

Bumps version to 0.7.4

Merge branch 'master' of github.com:percolatestudio/meteor-migrations

Fixes bug where rerun migrations never unlock the migrations table.