gridfs
pandoc dependency
imports
more gridfile implementation
clone for BsonDocument
Merge branch 'master' of https://github.com/10gen-interns/mongo-rust-driver-prototype into gridfs

Conflicts:
	README.md
complete GridIn path
versioning
lifetime changes
mistake in md5 serialization
Merge branch 'master' of https://github.com/10gen-interns/mongo-rust-driver-prototype into gridfs

Conflicts:
	Makefile
.rc -> .rs
Merge branch 'master' of https://github.com/10gen-interns/mongo-rust-driver-prototype into gridfs

Conflicts:
	Makefile
	src/libbson/encode.rs
finishing GridOut implementation; still needs test
runs gridfs tests
Merge branch 'master' of https://github.com/10gen-interns/mongo-rust-driver-prototype into gridfs
OID generation is now actually random
GridIn behaves correctly
api clarification
reogrs and more api clarification