Fix execution of jenkins commands when authorization is not enabled yet
Fix execution of jenkins commands when authorization is not enabled yet

Signed-off-by: Denis Shvedchenko <abf8908ea16850288ed222113fecc2c09a582a7e@sphereinc.com>

Dispader/jenkins,chef-cookbooks/jenkins,gshively11/jenkins,opscode-cookbooks/jenkins,b-dean/jenkins,opscode-cookbooks/jenkins,juliandunn/jenkins,dshvedchenko/jenkins,gshively11/jenkins,opscode-cookbooks/jenkins,Dispader/jenkins,b-dean/jenkins,chef-cookbooks/jenkins,gshively11/jenkins,chef-cookbooks/jenkins,Dispader/jenkins,juliandunn/jenkins,dshvedchenko/jenkins,b-dean/jenkins,dshvedchenko/jenkins,juliandunn/jenkins