SHA1

- removed previously introduced _sha1 helper command
- modified helper command _version to either display the version
  or the sha1 depending if build from source tar ball or from git.

src/main.h

@@ -67,7 +67,6 @@ int handleCompletionCommands (std::string&);
 int handleCompletionIDs (std::string&);
 int handleCompletionConfig (std::string&);
 int handleCompletionVersion (std::string&);
-int handleSha1 (std::string&);
 int handleUrgency (std::string&);
 int handleQuery (std::string&);
 int handleZshCompletionCommands (std::string&);