Fix Vagrant bootstrap script.

.gitignore

@@ -42,4 +42,5 @@ m4/ylwrap
 m4/test-driver
 icinga2-*.tar.gz
 icinga2.spec
-packages
+packages
+.vagrant

tools/vagrant-bootstrap.sh

@@ -2,6 +2,8 @@
 sed -i 's/^HOSTNAME=.*/HOSTNAME=icinga-demo.icinga.org/' /etc/sysconfig/network
 hostname icinga-demo.icinga.org
 
+yum install -y wget
+
 rpm --import http://packages.icinga.org/icinga.key
 wget http://packages.icinga.org/epel/6/snapshot/ICINGA-snapshot.repo -O /etc/yum.repos.d/ICINGA-snapshot.repo
 yum makecache