Add Travis CL for Julia 0.7 and 0.6

Author: MartinOtter

.travis.yml

@@ -5,8 +5,8 @@ os:
   - osx
 julia:
   - 1.0
-#  - 0.7
-#  - 0.6
+  - 0.7
+  - 0.6
 #  - nightly
 
 notifications:

README.md

@@ -1,6 +1,6 @@
 # Modia3D
 
-[![Travis](https://travis-ci.org/ModiaSim/Modia3D.jl.svg?branch=master&logo=travis)](https://travis-ci.org/ModiaSim/Modia3D.jl)
+[![Travis](https://travis-ci.org/ModiaSim/Modia3D.jl.svg?branch=master)](https://travis-ci.org/ModiaSim/Modia3D.jl)
 [![Coverage Status](https://coveralls.io/repos/github/ModiaSim/Modia3D.jl/badge.svg?branch=master)](https://coveralls.io/github/ModiaSim/Modia3D.jl?branch=master)
 [![codecov.io](http://codecov.io/github/ModiaSim/Modia3D.jl/coverage.svg?branch=master)](http://codecov.io/github/ModiaSim/Modia3D.jl?branch=master)
 [![Latest](https://img.shields.io/badge/docs-latest-blue.svg)](https://ModiaSim.github.io/Modia3D.jl/latest)