Removed warnings visible while compiling with __WEBINOS_DEBUG

Jira issue: WP-1177
Merge pull request #47 from smonteleone/WP-1177

Removed warnings visible while compiling with __WEBINOS_DEBUG
GenericURI support for PZ-Owner and known PZHs

Added support, in the native code (and node.js wrapper) of policy
manager, for the following Generic URIs:

http://webinos.org/subject/id/PZ-Owner
http://webinos.org/subject/id/known

Jira issue: WP-332
Merge pull request #48 from ccameroni/WP-1174-get-data-for-generic-uri

Get data for generic URI
Merge remote-tracking branch 'webinos/master' into WP-332
Put calls to PZP inside a try/catch to avoid crash

Jira issue: WP-1174
Merge pull request #49 from smonteleone/WP-1174-get-data-for-generic-uri

Put calls to PZP inside a try/catch to avoid crash
Merge remote-tracking branch 'webinos/master' into WP-332
GenericURI support for PZ-Owner and known PZHs

Added support, in the js code of policy manager, for the
following Generic URIs:

http://webinos.org/subject/id/PZ-Owner
http://webinos.org/subject/id/known

Jira issue: WP-332
Merge pull request #50 from smonteleone/WP-332

GenericURI support for PZ-Owner and known PZHs
Fixed crash on schema check

Uncommented JSV and env in lib/policymanager.js

Jira issue: WP-332
Merge pull request #51 from smonteleone/WP-332

Fixed crash on schema check
Updated scripts to compile Policy Manager

Jira issue: WP-331
Merge pull request #53 from smonteleone/WP-331

Updated scripts to compile Policy Manager
fix undefined existsSync call

improves orignial fix for WP-1169. existsSync for Node.js on Android is defined in 'path' module.

Jira-issue: WP-1169
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