Create a matrix of jobs for easier configuration testing

Right now it will post two jobs, one regular and the other one
with network disabled, so both get tested on future commits.

.travis.yml

@@ -15,6 +15,10 @@ cache:
         - cache
     apt: true
 
+env:
+    - OPENRCT2_CMAKE_OPTS=
+    - OPENRCT2_CMAKE_OPTS="-DDISABLE_NETWORK=ON"
+
 sudo: required
 
 services:

build.sh

@@ -2,23 +2,12 @@
 
 set -e
 
-nonet=false;
-
-if [[ "$1" = "--include-nonet" ]]; then
-	nonet=true
-fi
-
 cachedir=.cache
 mkdir -p $cachedir
 
 if [[ ! -d build ]]; then
 	mkdir -p build
 fi
-if [[ $nonet = true ]]; then
-	if [[ ! -d build_nonet ]]; then
-		mkdir -p build_nonet
-	fi
-fi
 
 libversion=2
 libVFile="./libversion"
@@ -66,15 +55,10 @@ if [[ "$needsdownload" = "true" ]]; then
 fi
 
 pushd build
-	cmake -DCMAKE_TOOLCHAIN_FILE=../CMakeLists_mingw.txt -DCMAKE_BUILD_TYPE=Debug  ..
+	echo OPENRCT2_CMAKE_OPTS = $OPENRCT_CMAKE_OPTS
+	cmake -DCMAKE_TOOLCHAIN_FILE=../CMakeLists_mingw.txt -DCMAKE_BUILD_TYPE=Debug $OPENRCT2_CMAKE_OPTS ..
 	make
 popd
-if [[ $nonet = true ]]; then
-	pushd build_nonet
-		cmake -DCMAKE_TOOLCHAIN_FILE=../CMakeLists_mingw.txt -DCMAKE_BUILD_TYPE=Debug -DDISABLE_NETWORK=ON ..
-		make
-	popd
-fi
 
 if [[ ! -h openrct2.dll ]]; then 
     ln -s build/openrct2.dll openrct2.dll