Update README.md (#30)

Author: scls19fr

README.md

@@ -1,6 +1,6 @@
 # LegacyStrings
 
-[![Travis CI Build Status](https://travis-ci.org/JuliaArchive/LegacyStrings.jl.svg?branch=master)](https://travis-ci.org/JuliaArchive/LegacyStrings.jl)
+[![Travis CI Build Status](https://travis-ci.org/JuliaStrings/LegacyStrings.jl.svg?branch=master)](https://travis-ci.org/JuliaStrings/LegacyStrings.jl)
 [![AppVeyor Build Status](https://ci.appveyor.com/api/projects/status/ib52329urgg62jai?svg=true)](https://ci.appveyor.com/project/nalimilan/legacystrings-jl)
 
 [![Julia 0.5 Status](http://pkg.julialang.org/badges/LegacyStrings_0.5.svg)](http://pkg.julialang.org/?pkg=LegacyStrings&ver=0.5)