[travis] Replace explicit build steps with compile script.

.travis.yml

@@ -22,11 +22,4 @@ install:
   - $PREMAKE --file=build/scripts/LLVM.lua download_llvm
 
 script: |
-  if [ "$TRAVIS_OS_NAME" = "linux" ]; then PREMAKE=build/premake5-linux-64; else PREMAKE=build/premake5-osx; fi &&
-  if [ "$TRAVIS_OS_NAME" = "linux" ]; then BUILD_CONF=release_x64; else BUILD_CONF=release_x86; fi &&
-  $PREMAKE --file=build/premake5.lua gmake &&
-  config=$BUILD_CONF make -C build/gmake/ &&
-  BUILD_DIR=`ls build/gmake/lib` &&
-  mkdir -p "$PWD"/build/gmake/lib/lib/"$BUILD_DIR" &&
-  cp "$PWD"/build/gmake/lib/"$BUILD_DIR"/libNamespacesBase.* "$PWD"/build/gmake/lib/lib/"$BUILD_DIR" &&
-  build/RunTests.sh  
+  build/Compile.sh && build/RunTests.sh