Update gruntfile to meet new structure
Update gruntfile to meet new structure

dominic31/typedoc,SierraSoftworks/typedoc,sebastian-lenz/typedoc,aciccarello/typedoc,TypeStrong/typedoc,SierraSoftworks/typedoc,sebastian-lenz/typedoc,TypeStrong/typedoc,PolymerLabs/typedoc,aciccarello/typedoc,PolymerLabs/typedoc,SierraSoftworks/typedoc,aciccarello/typedoc,dominic31/typedoc,sebastian-lenz/typedoc,TypeStrong/typedoc,PolymerLabs/typedoc,dominic31/typedoc