Reorganize base headers for matchers

src/catch2/catch_matchers.cpp

@@ -1,6 +1,4 @@
 /*
- *  Created by Phil Nash on 19/07/2017.
- *
  * Distributed under the Boost Software License, Version 1.0. (See accompanying
  * file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  */
@@ -8,15 +6,17 @@
 #include <catch2/catch_matchers.h>
 
 namespace Catch {
-namespace Matchers {
+
+    namespace Matchers {
 
         std::string MatcherUntypedBase::toString() const {
-            if( m_cachedToString.empty() )
+            if (m_cachedToString.empty())
                 m_cachedToString = describe();
             return m_cachedToString;
         }
 
         MatcherUntypedBase::~MatcherUntypedBase() = default;
 
-} // namespace Matchers
+    } // namespace Matchers
+
 } // namespace Catch