Add third_party/externals dir that brings in gyp
Add third_party/externals dir that brings in gyp



git-svn-id: e8541e15acce502a64c929015570ad1648e548cd@1505 2bbb7eff-a529-9590-31e7-b0007b416f81

Cue/skia,metajack/skia,mrobinson/skia,mrobinson/skia,Cue/skia,mrobinson/skia,Cue/skia,Cue/skia,metajack/skia,mrobinson/skia,metajack/skia,mrobinson/skia,metajack/skia