Merge pull request #50 from humphd/expose-path

Expose path on IDBFS, add missing node.js bits of path module
Update README.md
Update README.md
WIP on crypto wrapper providers for AES, TripleDES, Rabbit, 3 tests failing
Don't encrypt keys
Fix encoding issue with decrypted string in crypto wrapper
Remove dead code in crypto-wrappers.js
Review fixes, move crypto to src/adapters, update tests, update README, rebuild files in dist/
Fix bullets in README