Fixed Installation Problem with missing folder

There was an error when attempting to install from source

```
thehermit@Analysis:~/GitHub/analyzeMFT$ python setup.py install
running install
running build
running build_py
creating build
creating build/lib.linux-x86_64-2.7
creating build/lib.linux-x86_64-2.7/analyzemft
copying analyzemft/bitparse.py -> build/lib.linux-x86_64-2.7/analyzemft
copying analyzemft/mftsession.py -> build/lib.linux-x86_64-2.7/analyzemft
copying analyzemft/mftutils.py -> build/lib.linux-x86_64-2.7/analyzemft
copying analyzemft/__init__.py -> build/lib.linux-x86_64-2.7/analyzemft
copying analyzemft/mft.py -> build/lib.linux-x86_64-2.7/analyzemft
error: package directory 'analyzemft/test' does not exist

```

Also fixed the __init__.py filenames