Merge pull request #29 from staticfloat/updated_ci_url

Update CI URLs to point to new caching infrastructure

Author: BenLauwens

appveyor.yml

@@ -4,6 +4,7 @@ environment:
     - JULIA_URL: "https://julialangnightlies-s3.julialang.org/bin/winnt/x64/julia-latest-win64.exe"
 
 install:
+  - ps: "[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12"
 # Download most recent Julia Windows binary
   - ps: "[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12"
   - ps: (new-object net.webclient).DownloadFile(