added windows specific section
added windows specific section

Added windows specific section on an error after running the command:
php composer.phar require jackalope/jackalope-doctrine-dbal:dev-master
jerram/symfony-cmf,Ma27/cmf-sandbox,ElectricMaxxx/cmf-sandbox,foopang/cmf-sandbox,Ma27/cmf-sandbox,revollat/cmf-sandbox,jerram/symfony-cmf,peterkokot/cmf-sandbox,ElectricMaxxx/cmf-sandbox,maveric/noname,Ma27/cmf-sandbox,revollat/cmf-sandbox,damz/platform-sandbox,damz/platform-sandbox,damz/platform-sandbox,damz/platform-sandbox,h4cc/zacd-cms,maveric/noname,h4cc/zacd-cms,revollat/cmf-sandbox,Ma27/cmf-sandbox,peterkokot/cmf-sandbox,maveric/noname,Ma27/cmf-sandbox,foopang/cmf-sandbox,ElectricMaxxx/cmf-sandbox,maveric/noname,peterkokot/cmf-sandbox,h4cc/zacd-cms,foopang/cmf-sandbox,peterkokot/cmf-sandbox,h4cc/zacd-cms,foopang/cmf-sandbox,foopang/cmf-sandbox,ElectricMaxxx/cmf-sandbox,revollat/cmf-sandbox,revollat/cmf-sandbox,jerram/symfony-cmf,jerram/symfony-cmf,ElectricMaxxx/cmf-sandbox