nexus: Implement wifi scanner and fix a lot of bugs

Signed-off-by: San Mehat <san@google.com>
diff --git a/nexus/NexusCommand.h b/nexus/NexusCommand.h
index 204541c..1482998 100644
--- a/nexus/NexusCommand.h
+++ b/nexus/NexusCommand.h
@@ -18,14 +18,9 @@
 
 #include <sysutils/FrameworkCommand.h>
 
-class NetworkManager;
-
 class NexusCommand : public FrameworkCommand {
-protected:
-    NetworkManager *mNetman;
-
 public:
-    NexusCommand(const char *cmd, NetworkManager *netman);
+    NexusCommand(const char *cmd);
     virtual ~NexusCommand() {}
 };