refactor(buildtools): Added buildTools submodule (refs #4449)
refactor(package): Targets for producing dynacase-offline-xulruntimes-26.0.tar.gz (refs #4449)
fix(package): Update xulruntimes_url to point to dynacase-offline-xulruntimes-26.0.tar.gz (refs #4449)
Merge pull request #8 from eguaj/26.0-A4449

fix(package): Bundle xulrunner-26.0 (closes #4449)