message: Fix Travis CI badge
diff: # Radeco
  -[![Appveyor Status](https://ci.appveyor.com/api/projects/status/t8dujay25g31sxia?svg=true)](https://ci.appveyor.com/project/radare/radeco-lib-8ycg0)
  -[![Build Status](https://travis-ci.org/radareorg/radeco-lib.svg?branch=master)](https://travis-ci.org/radareorg/radeco-lib)
  +[![Appveyor Status](https://ci.appveyor.com/api/projects/status/t8dujay25g31sxia?svg=true)](https://ci.appveyor.com/project/radare/radeco-lib-8ycg0
  +[![Build Status](https://travis-ci.org/radareorg/radeco.svg?branch=master)](https://travis-ci.org/radareorg/radeco)
  [![Coverage Status](https://coveralls.io/repos/github/radare/radeco-lib/badge.svg?branch=master)](https://coveralls.io/github/radare/radeco-lib?branch=master)
  A radare2 based binary analysis framework consisting from the Radeco client, in `./radeco/` directory, `./radeco-lib/` - library where whole high-level logic is located, `./arch-rs/` to abstract the architectures intricacies, `./esil-rs/` to parse the radare2 ESIL, and `./rune/` to perform symbolic execution on top of ESIL. Radeco uses its own intermediate representation,
  