Added utility method to create a Pelix framework
Added utility method to create a Pelix framework

pelix.framework.create_framework(bundles, properties, auto_start,
    wait_for_stop, auto_delete)

=> Creates and returns a framework with the given bundles pre-installed.
The method can also start the framework, wait for it to stop and finally
delete it automatically.

tcalmant/ipopo,ahmadshahwan/ipopo,ahmadshahwan/ipopo