Updating doc makefile

Change-Id: I2b376d2d95d9ddd2aa0a74fbfc52a80dba242e79
diff --git a/docs/.gitignore b/docs/.gitignore
new file mode 100644
index 0000000..0974911
--- /dev/null
+++ b/docs/.gitignore
@@ -0,0 +1,5 @@
+node_modules/
+profiles
+test
+xos
+xos-gui
diff --git a/docs/Makefile b/docs/Makefile
index 371c8ad..ffc598c 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -8,8 +8,8 @@
 	ln -s ../../orchestration/profiles profiles && \
 	gitbook init && gitbook install && gitbook build
 
-book: build
-	gitbook serve &
+book: clean build
+	gitbook serve
 clean:
 	rm -rf _book; \
 	rm -rf node_modules; \