Merge branch 'auth'

* auth:
  fix osdGetRoles
  oops
  Add showauth executable
  getgrouplist() on OSX has different sig.
  auth fix mingw static
  fix search PeerInfo
  PeerInfo in pva/server.h and pva/sharedstate.h
  make PeerInfo available during search phase
  auth status void accidental success.
  minor doc
  always need to link with netapi32 now
  authorize with local group lookup
  Add osdGetRoles()
  authorization framework
  pvasr show PeerInfo
  redo security (aka. access control)
  remove asCheck

# Conflicts:
#	src/server/pv/responseHandlers.h
#	src/server/responseHandlers.cpp

src/server/server.cpp

@@ -17,6 +17,7 @@
 #define epicsExportSharedSymbols
 #include "pva/server.h"
 #include "pv/pvAccess.h"
+#include "pv/security.h"
 #include "pv/reftrack.h"
 
 namespace pvd = epics::pvData;
@@ -216,8 +217,9 @@ struct DynamicProvider::Impl : public pva::ChannelProvider
     {
         bool found = false;
         {
+            pva::PeerInfo::const_shared_pointer info(requester->getPeerInfo());
             search_type search;
-            search.push_back(DynamicProvider::Search(name));
+            search.push_back(DynamicProvider::Search(name, info ? info.get() : 0));
 
             handler->hasChannels(search);