message: Update build status image URL
diff: # Ripes
  -[![Build Status](https://travis-ci.org/mortbopet/Ripes.svg?branch=master)](https://travis-ci.org/mortbopet/Ripes/)
  +[![Build Status](https://travis-ci.com/mortbopet/Ripes.svg?branch=master)](https://travis-ci.com/mortbopet/Ripes/)
  [![Gitter](https://badges.gitter.im/Ripes-VSRTL/Ripes.svg)](https://gitter.im/Ripes-VSRTL/)
  Ripes is a visual computer architecture simulator and assembly code editor built for the [RISC-V instruction set architecture](https://content.riscv.org/wp-content/uploads/2017/05/riscv-spec-v2.2.pdf).
  