Merge pull request #109 from optopus/pdns/enable-logging

enable logging
Revert "Merge pull request #109 from optopus/pdns/enable-logging"

This reverts commit 21b490845e4787f36648b21cc02564f5a6780ca2, reversing
changes made to 3d99de7b9a28131f3d79cf2f794b7ea81af5953b.
Merge pull request #117 from optopus/pdns/update

Pdns/update
Merge pull request #120 from optopus/pdns/update

skip network nodes
Merge pull request #135 from optopus/pdns/update

Update PDNS Module to be Self-Healing
add jquery pjax support
fix the handling of unauthorized access
display anycast addresses more appropriately
add properties hstore column to locations
Add properties hstore column to devices
add per-location device counts
Merge pull request #143 from optopus/device-count-location

Device count location