- use correct config file path
- read correct config file item

Updated copyright years to include new year 2014.

/usr/bin/mofcomp requires that Pegasus runs at the time the script is executed.
Therefore we could not register any MOF files into database if Pegasus was
down.

To fix this, openlmi-mof-register now does not depend on mofcomp and
contains its own MOF parser to parse just '#pragma include' directives,
comments and string literals.

Also remove dependency on sblim-cmpi-base

Added ComputerSystem module to lmi.providers with convenience functions
allowing to obtain instance from CIMOM and check for its correctness
when inspecting client's input.

Also removed obsoleted system_name property out of BaseConfiguration
class.

Let's write openlmi version to the main __init__ module of each python
egg at build time. This version information is easily accessible from
setup scripts.

And get rid of sblim-cmpi-base dependency.

It would be nice if our tests have an option to select Linux_ComputerSystem
or PG_ComputerSystem in the future...

Toplevel openlmi configuration file (/etc/openlmi/openlmi.conf) now
contains common configuration options for all providers. Configuration
for each provider could be overriden in provider-specific config
(/etc/openlmi/$provider/$provider.conf).

This patch also modify config file handling in python providers to
include this config file.

There is also support for C providers (in libopenlmicommon) for reading
these config files and providing default configuration options.

Split the openlmi-python package to 2:
 * openlmi-python-base
   - lmi namespace
   - functionality for any OpenLMI related python code
   - contains packages 'lmi' and 'lmi.base'
 * openlmi-python-providers
   - common functionality for OpenLMI providers
   - contains 'lmi.providers'