[test] Run lime build over flixel projects

test-projects.sh

@@ -3,7 +3,15 @@
 PROJECT_DIRS=projects/**/
 
 if [ ! -z "${TRAVIS_OS_NAME}" ]; then
+    # Install basic dependencies for Kiss testing
     (cd kiss/build-scripts && haxelib install all --always)
+    
+    # Install HaxeFlixel because many Kiss projects use it
+    haxelib install lime
+    haxelib install openfl
+    haxelib install flixel
+    haxelib run lime setup flixel
+    haxelib run lime setup
 fi
 
 for PROJECT_DIR in $PROJECT_DIRS