Add license
package cleanup

- centralized code into "lsh" package
- added "setup.py"
- integrated py.test, "setup.py test" compatibility

additionally, AUTHORS and CONTRIBUTORS files were added.
unicode instead of str
Merge pull request #6 from mattdennewitz/master

package cleanup
Merge branch 'master' of https://github.com/go2starr/lshhdc

Conflicts:
	lsh/lsh.py