Some fixes to the new class wizard code generation

* Convert dots in filenames to underscores in header guards
* Don't indent closing namespaces in source file
* Consistent empty line placement

src/libs/utils/codegeneration.cpp

@@ -41,11 +41,14 @@ static QString toAlphaNum(const QString &s)
     QString rc;
     const int len = s.size();
     const QChar underscore =  QLatin1Char('_');
+    const QChar dot =  QLatin1Char('.');
 
     for (int i = 0; i < len; i++) {
         const QChar c = s.at(i);
         if (c == underscore || c.isLetterOrNumber())
             rc += c;
+        else if (c == dot)
+            rc += underscore;
     }
     return rc;
 }
@@ -80,7 +83,6 @@ QString writeOpeningNameSpaces(const QStringList &l, const QString &indent,
             str << rc << "namespace " << l.at(i) << " {\n";
             rc += indent;
         }
-        str << '\n';
     }
     return rc;
 }