Travis Musings (#5116)

Bumps Flyway.
Moves a script that should be a code check to the code checks.

scripts/install-byond.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+set -e
+if [ -f "$HOME/BYOND-${BYOND_MAJOR}.${BYOND_MINOR}/byond/bin/DreamMaker" ];
+then
+  echo "Using cached BYOND directory."
+else
+  echo "Setting up BYOND."
+  mkdir -p "$HOME/BYOND-${BYOND_MAJOR}.${BYOND_MINOR}"
+  cd "$HOME/BYOND-${BYOND_MAJOR}.${BYOND_MINOR}"
+  echo "Installing DreamMaker to $PWD"
+  curl "http://www.byond.com/download/build/${BYOND_MAJOR}/${BYOND_MAJOR}.${BYOND_MINOR}_byond_linux.zip" -o byond.zip
+  unzip -o byond.zip
+  cd byond
+  make here
+fi