INI File support

[meekee7]

Due to popular demand, here is a first version of INI file support. Features include:

• A wrapper for the INI file API in Windows (Private Profile API)
  • Unit tests for the wrapper
• A converter from registry to INI file
  • Done automatically when no INI file is found
  • Can be done from a standalone command line tool
• Compatibility with tpass.ini