Place the SPSS Metadata Validator.sublime-build to {instalation_path}\Sublime Text\Data\Packages\User
Change the path to ProjectValidator.mrs so that it will match you preferences.
It only validates files ending in .mdd-metadata but you can change this as you like in the build file.
After you place the file just select from Tools\Build System the SPSS Metadata Validator option and the press CTRL+B
Place the SPSS Metadata (mdd metadata).tmLanguage file to {installation_path}\Sublime Text\Data\Packages\User
The files need to be .mdd-metadata to be automatically recognized.
Place SPSS - Question Template.sublime-snippet in {installation_path}\Sublime Text\Data\Packages\User
Now create a new file (CTR+N) and write spssqtpl and then press TAB it will create a basic question template for you to use.
Build System
