Added missing include that was working on Windows due to precompiled header
Make linking to lib3mf conditional for DataHandlingTest as well as DataHandling
Create unit tests for 3mf file import (Mantid3MFFileIOTest)
Remove tabs from Pearl.xml file
Make 3mf import work with multiple levels of Components in .3mf file
Enhance material handling in Mantid3MFFileIO to use MaterialXMLParser
Add support for 3mf format to two more algorithms: LoadSampleEnvironment and
SaveSampleEnvironmentAndShape now support 3mf format files
Update Windows 3rd party build to use to version with lib3mf