watchwords.json is no longer required to exist.

Fixes #2

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required (VERSION 3.7)
 project (mastorss
-         VERSION 0.7.2
+         VERSION 0.7.3
          LANGUAGES CXX
 )
 

src/parse.cpp

@@ -49,8 +49,7 @@ std::vector<Mastodon::Easy::Status> parse_website(const string &xml)
     }
     else
     {
-        cerr << "ERROR: " << filepath << "watchwords.json not found or not readable.\n";
-        return {};
+        cerr << "WARNING: " << filepath << "watchwords.json not found or not readable.\n";
     }
 
     // Read profile-specific hashtags or fail silently