General beast update, fixes, optimizations, features:

* Clean ups, optimizations, and new File::commonDocumentsDirectory enum
* Replace sortArray with std::sort for performance
* More error tolerance in XML parser, speedups
* Refactor some byte-order mark detection code
* Add String::appendCharPointer overloads
* More XML parser optimisations and better error detection
* Misc performance tweaks
* Fixes for support of non utf8 strings
* Increased precision when storing strings in XmlElement
* Minor clean-ups
* Minor fix to XmlDocument
* Cleanups to CriticalSection and related synchronization primitives
* Fix DynamicArray unit test

modules/beast_core/files/beast_File.cpp

@@ -57,10 +57,6 @@ File::File (const File& other)
 {
 }
 
-File::~File() noexcept
-{
-}
-
 File File::createFileWithoutCheckingPath (const String& path) noexcept
 {
     File f;