update native policy manager module

with changes from WP-332

Jira-issue: WP-669
Merge pull request #38 from aldafu/WP-659-update-pm.node

update native policy manager module
Update bridge to fix reference leak crash
Jira issue: WP-1180

bridge.node updated to latest version 8fd691f
Merge pull request #39 from paddybyers/bridge-ref-leak

Update bridge to fix reference leak crash