Base: modernize C++11

* remove redundant void-arg
* use nullptr
* replace deprecated headers

src/Base/Type.cpp

@@ -23,7 +23,7 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
-# include <assert.h>
+# include <cassert>
 #endif
 
 /// Here the FreeCAD includes sorted by Base,App,Gui......
@@ -42,7 +42,7 @@ struct Base::TypeData
   TypeData(const char *theName,
            const Type type = Type::badType(),
            const Type theParent = Type::badType(),
-           Type::instantiationMethod method = 0
+           Type::instantiationMethod method = nullptr
           ):name(theName),parent(theParent),type(type),instMethod(method) { }
 
   std::string name;
@@ -82,7 +82,7 @@ Type::~Type()
 {
 }
 
-void *Type::createInstance(void)
+void *Type::createInstance()
 {
   return (typedata[index]->instMethod)();
 }
@@ -97,7 +97,7 @@ void *Type::createInstanceByName(const char* TypeName, bool bLoadModule)
   // now the type should be in the type map
   Type t = fromName(TypeName);
   if (t == badType())
-    return 0;
+    return nullptr;
 
   return t.createInstance();
 }
@@ -131,7 +131,7 @@ string Type::getModuleName(const char* ClassName)
     return string();
 }
 
-Type Type::badType(void)
+Type Type::badType()
 {
   Type bad;
   bad.index = 0;
@@ -153,7 +153,7 @@ const Type Type::createType(const Type parent, const char *name, instantiationMe
 }
 
 
-void Type::init(void)
+void Type::init()
 {
   assert(Type::typedata.size() == 0);
 
@@ -164,7 +164,7 @@ void Type::init(void)
 
 }
 
-void Type::destruct(void)
+void Type::destruct()
 {
   for(std::vector<TypeData*>::const_iterator it = typedata.begin();it!= typedata.end();++it)
     delete *it;
@@ -192,12 +192,12 @@ Type Type::fromKey(unsigned int key)
     return Type::badType();
 }
 
-const char *Type::getName(void) const
+const char *Type::getName() const
 {
   return typedata[index]->name.c_str();
 }
 
-const Type Type::getParent(void) const
+const Type Type::getParent() const
 {
   return typedata[index]->parent;
 }
@@ -230,7 +230,7 @@ int Type::getAllDerivedFrom(const Type type, std::vector<Type> & List)
   return cnt;
 }
 
-int Type::getNumTypes(void)
+int Type::getNumTypes()
 {
   return typedata.size();
 }