Moved to SQLAlchemy

Finished switch to JSONRPC

commit 9cf6dd9a0e03c71135c01d4ad4f7d3be0f1e3066
Author: Giovanni Harting <giovanni.harting@touchdata.net>
Date:   Sat Oct 10 21:09:20 2015 +0200

    fixed some bugs
    added some missing things from transition

commit 8ed44b8fcde739b541b1834049025b055a50e6fe
Author: Marius Schiffer <marius@mschiffer.de>
Date:   Sat Oct 10 05:53:41 2015 +0200

    Creating fresh database works now. Fixed pwm_freq property.

commit dc88ef0df427f90746a499912eff70dfce967c55
Author: Marius Schiffer <marius@mschiffer.de>
Date:   Sat Oct 10 04:40:41 2015 +0200

    Completed SQLAlchemy integration. Completed JSON-RPC integration.
    All daemon class functionality is now on module-level (required for
    JSON-RPC decorators).
    Migrations will have to be reimplemented with alembic.

commit a4cabdcd00a3e2a3cbbd92a3c9d59a4235e4d277
Author: Marius Schiffer <marius@mschiffer.de>
Date:   Sat Oct 10 03:00:19 2015 +0200

    First steps towards SQLAlchemy integration.

setup.py

@@ -25,6 +25,6 @@ setup(name='LedD',
       license='GPLv3',
       packages=['ledd'],
       install_requires=[
-            'nose', 'spectra', 'docopt', 'jsonrpc',
+            'nose', 'spectra', 'docopt', 'jsonrpc', 'sqlalchemy',
       ],
       zip_safe=False)