Added git hooks

.hooks/pre-commit

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+# This hook lints the code, and if we're on develop or master, also forces the tests to pass.
+
+branch=`git rev-parse --abbrev-ref HEAD`
+
+# TODO should we add release branches here as well?
+if [[ "$branch" =~ ^master|develop$ ]]; then
+    make test > /dev/null 2>&1 || {
+        >&2 echo "Tests failed. check 'make test' for more info.";
+        exit 1;
+    }
+fi