Add 0.5 as a release on Travis and AppVeyor (#10)

Author: ararslan

.travis.yml

@@ -5,6 +5,7 @@ os:
   - osx
 julia:
   - 0.4
+  - 0.5
   - nightly
 notifications:
   email: false

appveyor.yml

@@ -2,6 +2,8 @@ environment:
   matrix:
   - JULIAVERSION: "julialang/bin/winnt/x86/0.4/julia-0.4-latest-win32.exe"
   - JULIAVERSION: "julialang/bin/winnt/x64/0.4/julia-0.4-latest-win64.exe"
+  - JULIAVERSION: "julialang/bin/winnt/x86/0.5/julia-0.5-latest-win32.exe"
+  - JULIAVERSION: "julialang/bin/winnt/x64/0.5/julia-0.5-latest-win64.exe"
   - JULIAVERSION: "julianightlies/bin/winnt/x86/julia-latest-win32.exe"
   - JULIAVERSION: "julianightlies/bin/winnt/x64/julia-latest-win64.exe"
 
@@ -10,13 +12,21 @@ branches:
     - master
     - /release-.*/
 
+skip_commits:
+  message: /\[av skip\]/
+
 notifications:
   - provider: Email
     on_build_success: false
     on_build_failure: false
     on_build_status_changed: false
 
 install:
+# If there's a newer build queued for the same PR, cancel this one
+  - ps: if ($env:APPVEYOR_PULL_REQUEST_NUMBER -and $env:APPVEYOR_BUILD_NUMBER -ne ((Invoke-RestMethod `
+        https://ci.appveyor.com/api/projects/$env:APPVEYOR_ACCOUNT_NAME/$env:APPVEYOR_PROJECT_SLUG/history?recordsNumber=50).builds | `
+        Where-Object pullRequestId -eq $env:APPVEYOR_PULL_REQUEST_NUMBER)[0].buildNumber) { `
+        throw "There are newer queued builds for this pull request, failing early." }
 # Download most recent Julia Windows binary
   - ps: (new-object net.webclient).DownloadFile(
         $("http://s3.amazonaws.com/"+$env:JULIAVERSION),