Add support of "~/.stikkit/private"

README.md

@@ -61,6 +61,7 @@ Within this directory, there are a few key files worth creating.
  - *apikey* - If your stikked installation requires an API key, save it in here
  - *expiry* - The default expiry time (in minutes) for a paste, if needed
  - *author* - The default author name if you wish to use one
+ - *private* - If you want to mark the paste as private (not visible in recent pastes), create this empty file
 
 Tips
 =====

stikkit/configuration.cpp

@@ -114,6 +114,13 @@ void Configuration::Init()
             Configuration::Author = lineauth;
         }
         fauth.close();
+
+        //private
+        std::ifstream fpriv(homedir + "/.stikkit/private");
+        if(fpriv.good())
+        {
+            Configuration::Private = true;
+        }
     }
     if (Configuration::Author.length() < 1)
     {