modules from meute 0.4.1

You are encouraged to browse the code in this PR, but keep in mind that it is not ready for merging until all boxes are ticked:

* [x] add in the new utils
* [x] add in the actual modules
* [x] update existing unit tests for the modules themselves
* [x] add json-ld schemas
* [ ] add unit tests for the utils
* [x] add SyncedMap.load() function for use without local/window events
* [ ] add more schemas and unit tests for email
* [ ] add contacts schemas and test suite
* [ ] add facebook config schema and test suite
* [ ] add inbox schemas and test suite
* [ ] remove credentials out of messages module
* [ ] add schemas and test suite for money module
* [ ] add schemas and test suite for twitter module