Removed warning on license type, used correct SPDX string. Updated package's engines to node 4.x. Updated dependencies.
Removed warning on license type, used correct SPDX string. Updated package's engines to node 4.x. Updated dependencies.

HazemKhaled/TiShadow,Biotelligent/TiShadow,titanium-forks/dbankier.TiShadow,Biotelligent/TiShadow,HazemKhaled/TiShadow,Biotelligent/TiShadow,titanium-forks/dbankier.TiShadow,HazemKhaled/TiShadow,titanium-forks/dbankier.TiShadow