Use absolute module references for all adagios imports

Replacing things like `misc.urls` with `adagios.misc.urls`.

This enables adagios to run having been installed by standard python
means (i.e. a `python setup.py install`) without additional
modification of the PYTHONPATH (e.g. `wsgi.py` will be simpler).

This also will help prevent importing the wrong thing. E.g. when
`adagios.urls` references to `misc.urls` if there were some other
python module named `misc` (say my personal helper lib) installed on
the system that would be imported first because `wsgi.py` appends to
the end of sys.path.
Simplifying wsgi

It no longer needs to do path modifications since adagios references
are all fully qualified.
Get rid of unused import and variable in setup.py
Merge pull request #160 from AccelerationNet/fix-namespaces

Use absolute python module references