read proxy server settings from global RHQ Server configuration
Make "Open Support Case" menuItem available in Inventory for some resources

For now only Standalone AS7 resource supports this feature - so the menuitem
is shown. Once clicked, user goes to RHA page to open up a case where at
least product should be pre-selected.
[BZ 1070437] (JON3-12) Provide initial CSP integration for opening ma

implement SupportFacet by AS7 plugin (for ManagedServer and StandaloneAS
components) to produce and return JDR report
fail instantly if resource is not up and jdr report is requested
pass user session id to angular support app which translates it to http header so rh-access-war servlets can verify user
[BZ 1070437] (JON3-12) Provide initial CSP integration for opening ma

Implement "Open Support Case" menu item for Host Controller and Managed
Server resources. In case of HC, RHA backend will provide options to attach
JDR reports from all it's managed servers. AttachementServlet also now
implements security - verifies sessionID sent in http headers. Server JDR
report options will be unchecked when server is not UP (such report will
fail to attach)