gbuild-to-ide: Add support for vs2013

Change-Id: I385e756109ab0a47feeeb4407ba4a2a4b68548dd
Reviewed-on: https://gerrit.libreoffice.org/11728
Reviewed-by: Peter Foley <pefoley2@verizon.net>
Tested-by: Peter Foley <pefoley2@verizon.net>