Remove undefined log() function

Signed-off-by: Boris HUISGEN <bhuisgen@hbis.fr>
Fix jshint warnings

Signed-off-by: Boris HUISGEN <bhuisgen@hbis.fr>
Add redis unix socket support

Signed-off-by: Boris HUISGEN <bhuisgen@hbis.fr>
Merge pull request #32 from bhuisgen/master

Add unix socket support