try v1.0 in Travis and fix nightly

Author: mohamed82008

.travis.yml

@@ -5,6 +5,7 @@ os:
 julia:
   - 0.6
   - 0.7
+  - 1.0
   - nightly
 notifications:
   email: false
@@ -27,7 +28,7 @@ addons:
 
 ## uncomment the following lines to override the default test script
 script:
-  - julia -e 'Pkg.clone(pwd()); Pkg.build("AlgebraicMultigrid"); Pkg.test("AlgebraicMultigrid"; coverage=true)'
+  - julia -e 'VERSION >= v"0.7-" && using Pkg; Pkg.clone(pwd()); Pkg.build("AlgebraicMultigrid"); Pkg.test("AlgebraicMultigrid"; coverage=true)'
 after_success:
   # push coverage results to Coveralls
   - julia -e 'cd(Pkg.dir("AlgebraicMultigrid")); Pkg.add("Coverage"); using Coverage; Coveralls.submit(Coveralls.process_folder())'