Removed the pip install dependency.

pip has trouble updating pip on Windows. pip will already be installed
from boostrap.py
serve requires env, not develop
Removed extra parenthesis.
Fixed 'make demo' virtualenv command.
bitsadmin requires absolute path
Merge branch 'no-pip-dependency' of github.com:dornerworks/arniepye into no-pip-dependency
Downloading bootstrap.py before running install.
Made the demo OS-independent.
Merge pull request #20 from dornerworks/no-pip-dependency

Remove the pip install dependency.