Install prerequisite software-properties-common package

Author: DivineOmega

setup.sh

@@ -1,5 +1,11 @@
 #!/bin/bash
 
+echo "* Refreshing software repositories..."
+sudo apt-get update > /dev/null
+
+echo "* Installing prerequisite software packages..."
+sudo apt-get install -y software-properties-common > /dev/null
+
 echo "* Setting up third-party repository to allow installation of multiple PHP versions..."
 sudo add-apt-repository -y ppa:ondrej/php > /dev/null
 
@@ -21,4 +27,4 @@ sudo apt-get install -y php7.0-gd php7.0-mysql php7.0-sqlite php7.0-soap php7.0-
 echo "* Installing additional PHP extensions..."
 sudo apt-get install -y php-memcache php-memcached  > /dev/null
 
-echo "* Setup complete. You may now use the 'switch-to-php-*.*.sh' scripts."
+echo "* Setup complete. You may now use the 'switch-to-php-*.*.sh' scripts."