Added schema validation for policies (WP-27)
Fixed default policy and some jasmine tests

Jira issue: WP-27
Fixed policymanager.js
fixed reference and small indentation issues

Jira issue: WP-27
Removed wrong reads of "self" properties

Jira issue: WP-27
Merge branch 'master' into WP-27

Jira issue: WP-27
Fixed xml2js parsing issue.

Jira issue: WP-27
Changed policy tags to match the grammar
(Uri->AccessURI, Start->StartTime)
Restored Purpose value for policy_dhp_12.xml

Jira issue: WP-27
Merge branch 'master' into WP-27
Changed default policy
With this one, policy manager allows any request (access control +
privacy)

Jira issue: WP-27
Merge pull request #474 from smonteleone/WP-27

Added schema validation for policies (WP-27)