Sync

- Changed the wording on most error messages and diagnostics so that
  the user is not alarmed, and is somewhat guided toward a solution.

src/Transport.h

@@ -35,19 +35,19 @@ class Transport {
 public:
   Transport (const Uri&);
   ~Transport ();
-	
+
   static Transport* getTransport(const Uri&);
-	
+
   virtual void send (const std::string&) = 0;
   virtual void recv (std::string) = 0;
-  
+
   static bool is_directory(const std::string&);
   static bool is_filelist(const std::string&);
 
 protected:
   std::string executable;
   std::vector<std::string> arguments;
-  
+
   Uri uri;
 
   int execute();