Adds functionality to instantiate blocks and services via the 'config' subcommand

Signed-off-by: Oren Leiman <oleiman@neutral.io>
Adds ability to add filter parameters to 'list' subcommand

Signed-off-by: Oren Leiman <oleiman@neutral.io>
More robust functionality for building services from scratch, add/remove blocks from a service execution

Signed-off-by: Oren Leiman <oleiman@neutral.io>