Moving search wrapper from caspa

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Moving iobackends from caspa

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Changing logger location and module name

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Changing where is config located, we already in common

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Making pretty library requires

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Sending backends from other apps

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Using pubsub from common

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Exposing middleware

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Exporting iobackends from common

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
make iobackends.emit() work.
iobackends.emit(): log when backend does not exist
Merge pull request #39 from inaes-tic/iobackends_review

Iobackends review