All the cool people have READMEs

Should make it a little easier for people taking a look at the repo.
changed dependency installation order

Ubuntu Server 12.04.4 amd64

required ez_setup to be installed before leveldb
Create package 'pyethereum'

This moves all top-level modules into a package folder and
also adjusts imports accordingly.
raise TypeError for wrong types
add test for rlp TypeError; autopep8
Merge pull request #28 from brainbot-com/rlp_type_error_test

type check for rlp encode
merge #24
Merge pull request #1 from super3/master

Added README
Merge pull request #13 from sunny-g/master

changed dependency installation order
remove the readme markdown file