Setup buildsystem for c apps

Added fbcp to repo
Added setup-apps.sh
Disable non runtable apps

setup-apps.sh

@@ -0,0 +1,18 @@
+#!/bin/bash -e
+
+
+# Set executable attributes
+chmod +x apps/pong.py
+chmod +x apps/swifthohenberg.py
+chmod +x apps/strobo.py
+chmod +x apps/youtubedl.sh
+
+
+# build c apps
+mkdir -p build/c
+pushd build/c
+cmake ../../apps/c-src
+make
+popd
+mv build/c/fbcp apps/
+mv build/c/flicker apps/