This group it´s very proud for avoid the use of GGTS, and debug just with Grails console.
Things that you will need for develop in Windows
First : Install things
Second : Init things! Init Xampp (special atention to MySql and Apache module )
Third : Download this repository Open the git bash console and open the path where you want to install the repository :
$ cd path/that/you/want
$ git clone https://github.com/gisemartinez/ids.git
Fourth : Start the App Open a command window and open the path where you downloaded the repo.
$ cd path/that/you/want/ids
$ grails run-app
Fifth : Voilá! Open sublime and start to work :)