updated windows travis

.travis.yml

@@ -17,7 +17,7 @@ matrix:
     env: ARCH=x86_64
 
 before_install:
-  - source ./.travis/before_install.sh
+  - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then choco install msys2 -y; else source ./.travis/before_install.sh; fi
 
 install:
   - source ./.travis/install.sh

.travis/before_install.sh

@@ -1,9 +1,5 @@
 #!/bin/bash
 
-#if [[ "$TRAVIS_OS_NAME" == "osx" ]]
-#then
-	# do nothing
-#elif [[ "$TRAVIS_OS_NAME" == "linux" ]]
 if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
 
 	# install apt repos necessary for Olive