Fixed crash during enrollment / friend list update

Added reference to "this" were requested inside policy manager constructor

Jira issue: WP-1184
Merge pull request #54 from smonteleone/WP-1184

Fixed crash during enrollment / friend list update
Fixed instance of native pm in decision storage.
Added check on parameters in pm.cc.

Jira issue: WP-1189
Merge pull request #55 from steverc/WP-1189-crash-with-prompt-blanket

Fixed instance of native pm in decision storage.
Fixed crash of decision staorage after introduction of generic uris.
Added check on parameters of reloadPolicy.

Jira issue: WP-1190
Merge pull request #56 from steverc/WP-1190-decisionstorage-crash

Fixed crash of decision staorage after introduction of generic uris.