ENH: include <algorithm> in stdFoam.H

- was already included in many places (via UList.C templates), but now
  formalise by placing in stdFoam.H

applications/test/HashSet/Test-hashSet.C

@@ -37,8 +37,6 @@ Description
 #include "labelPairHashes.H"
 #include "FlatOutput.H"
 
-#include <algorithm>
-
 using namespace Foam;
 
 template<class Iter>

applications/test/List2/Test-List2.C

@@ -40,8 +40,6 @@ Description
 #include "OFstream.H"
 #include "cpuTime.H"
 
-#include <initializer_list>
-
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 using namespace Foam;

applications/test/List3/Test-List3.C

@@ -40,8 +40,6 @@ Description
 #include "OFstream.H"
 #include "cpuTime.H"
 
-#include <initializer_list>
-
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 using namespace Foam;

applications/test/base64/Test-base64Encoding.C

@@ -39,7 +39,6 @@ Description
 #include "Pair.H"
 
 #include <sstream>
-#include <initializer_list>
 
 using namespace Foam;
 

applications/test/bitops/Test-bitops.C

@@ -33,7 +33,6 @@ Description
 #include "IOstreams.H"
 #include "stdFoam.H"
 
-#include <algorithm>
 #include <type_traits>
 #include <limits>
 

applications/test/matrices/EigenMatrix/Test-EigenMatrix.C

@@ -43,7 +43,6 @@ Description
 #include "IOmanip.H"
 #include "EigenMatrix.H"
 #include "TestTools.H"
-#include <algorithm>
 
 using namespace Foam;
 

applications/test/matrices/Matrix/Test-Matrix.C

@@ -32,7 +32,6 @@ License
 #include "Random.H"
 #include "SortList.H"
 #include "Switch.H"
-#include <algorithm>
 
 using namespace Foam;
 using namespace Foam::MatrixTools;