Adding Travis CI script

because a build test is useful

.travis.yml

@@ -0,0 +1,16 @@
+language:
+- cpp
+# - objective-c
+
+install:
+- sudo add-apt-repository -y ppa:fransschreuder1/usbpicprog-stable
+- sudo apt-get -qq update
+- sudo apt-get -qq install git cmake gettext wx2.9-headers libwxbase2.9-dev libwxgtk2.9-dev libgtk-3-dev libwayland-dev libsdl1.2-dev nvidia-cg-toolkit libxrandr-dev libxext-dev libglew-dev libavcodec-dev libavformat-dev libsoil-dev libsfml-dev libopenal-dev libao-dev libasound2-dev libpulse-dev libportaudio-dev libsoundtouch-dev libbluetooth-dev libreadline-dev libswscale-dev liblzo2-dev
+- nproc=$((`nproc` / 2))
+
+# - brew update
+# - brew install cmake
+# - nproc=4
+
+script:
+- cmake . && make -j $nproc