Updating the .gitignore file to match the new testcase folder structure.
Updating the .gitignore file to match the new testcase folder structure.

mbebenita/shumway.ts,rbirkby/typescript,fdecampredon/jsx-typescript-old-version,hippich/typescript,mbebenita/shumway.ts,mbrowne/typescript-dci,tarruda/typescript,popravich/typescript,popravich/typescript,mbrowne/typescript-dci,turbulenz/typescript,tarruda/typescript,rbirkby/typescript,fdecampredon/jsx-typescript-old-version,fdecampredon/jsx-typescript-old-version,turbulenz/typescript,popravich/typescript,tarruda/typescript,guidobouman/typescript,mbebenita/shumway.ts,rbirkby/typescript,turbulenz/typescript,guidobouman/typescript,guidobouman/typescript,hippich/typescript,hippich/typescript,vcsjones/typescript,mbrowne/typescript-dci,mbrowne/typescript-dci