Extending wxFont API & OSX Core Text Implementation (#877)

* Switch to pure Core Text Implementation, Start extended Font API

* mac fixes

* First msw implementation

* Fixing paste error

* fixing typo

* Rearranging lines to former fallthrough order

* Blind fixes for covering new abstract methods

* Blind gtk implementations

* Fixing according to travis ..

* Removing method defined in base

* formatting adaptions

* Extending the schema definition for new weights

* fixing typo, using wxRound, other fixes according to comments

* changes according to suggestions

* fixing init order, before the init of m_info was overridden by Init()

* redo

* redo

* redo

* Cleanup

Removing obsolete code snippets, proper traces for font names

* Moving common code

Only the Get/SetNumericWeight calls should now be implemented in the native part, the ‚old‘ Get/SetWeight are common code and use the numeric counterparts.

* Updating docs

* commit wa missing changes.txt

* Doc fixes

* Full stops added

include/wx/osx/core/cfdictionary.h

@@ -79,12 +79,17 @@ public:
     {
     }
 
-    explicit wxCFDictionaryRef(CFDictionaryRef r)
+    wxCFDictionaryRef(CFDictionaryRef r)
         : wxCFDictionaryRefCommon(r)
     {
     }
 
     wxCFDictionaryRef& operator=(const wxCFMutableDictionaryRef& other);
+
+    CFDictionaryRef CreateCopy() const
+    {
+        return CFDictionaryCreateCopy(kCFAllocatorDefault, this->m_ptr);
+    }
 };
 
 class wxCFMutableDictionaryRef : public wxCFDictionaryRefCommon<CFMutableDictionaryRef>
@@ -95,7 +100,7 @@ public:
     {
     }
 
-    explicit wxCFMutableDictionaryRef(CFMutableDictionaryRef r)
+    wxCFMutableDictionaryRef(CFMutableDictionaryRef r)
         : wxCFDictionaryRefCommon(r)
     {
     }
@@ -109,6 +114,11 @@ public:
     {
         SetValue(key, wxCFNumberRef(v));
     }
+    
+    CFMutableDictionaryRef CreateCopy() const
+    {
+        return CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, this->m_ptr);
+    }
 
     friend class wxCFDictionaryRef;
 };