Move download.sh script to tools tree

.travis.yml

@@ -12,7 +12,7 @@ git:
 before_install:
   - git config --global url.git@github.com:.insteadOf https://github.com/
   - git submodule update --init -- src/windows-build src/Modules/Pester src/libpsl-native/test/googletest
-  - ./download.sh
+  - ./tools/download.sh
 script:
   - ulimit -n 4096; powershell -c "Import-Module ./build.psm1; Start-PSBootstrap; Start-PSBuild; Start-PSPester"
 notifications:

docs/building/linux.md

@@ -46,7 +46,7 @@ package cannot be downloaded as simply as with `wget`. We have a
 script that wraps the GitHub API and uses a personal access token to
 authorize in order to obtain the package.
 
-The `./download.sh` script will also install the PowerShell package.
+The `./tools/download.sh` script will also install the PowerShell package.
 
 > You can alternativelly download via a browser, upload it to your
 > box via some other method, and manually install it.
@@ -54,7 +54,7 @@ The `./download.sh` script will also install the PowerShell package.
 In Bash:
 
 ```sh
-GITHUB_TOKEN=<replace with your token> ./download.sh
+GITHUB_TOKEN=<replace with your token> ./tools/download.sh
 powershell
 ```