Run Travis tests on releases and nightlies and enable Coveralls

.travis.yml

@@ -3,14 +3,21 @@ compiler:
     - gcc
 notifications:
     email: false
+env:
+  matrix:
+    - JULIAVERSION="juliareleases"
+    - JULIAVERSION="julianightlies"
 before_install:
     - sudo add-apt-repository ppa:staticfloat/julia-deps -y
-    - sudo add-apt-repository ppa:staticfloat/julianightlies -y
+    - sudo add-apt-repository ppa:staticfloat/${JULIAVERSION} -y
     - sudo apt-get update -qq -y
-    - sudo apt-get install git julia hdf5-tools -y
+    - sudo apt-get install libpcre3-dev julia -y
     - git config --global user.name "Travis User"
     - git config --global user.email "[email protected]"
     - if [[ -a .git/shallow ]]; then git fetch --unshallow; fi
 script:
-    - julia -e 'versioninfo(); Pkg.init(); Pkg.clone("HDF5"); Pkg.clone(pwd())'
-    - julia test/runtests.jl
+    - julia -e 'versioninfo(); Pkg.init(); Pkg.clone("HDF5"); Pkg.build("HDF5"); Pkg.clone(pwd())'
+    - if [ $JULIAVERSION = "julianightlies" ]; then julia --code-coverage test/runtests.jl; fi
+    - if [ $JULIAVERSION = "juliareleases" ]; then julia test/runtests.jl; fi
+after_success:
+    - julia -e 'cd(Pkg.dir("MAT")); Pkg.add("Coverage"); using Coverage; Coveralls.submit(Coveralls.process_folder())'