Merge pull request #16 from pentium10/master

delete last server without cannot connect exception, remove cookie
Merge pull request #17 from pentium10/master

on last delete redirect to all tubes, prevent error: tube is empty
changed image
Can now delete next and all jobs from every queue state.
Merge pull request #18 from needcaffeine/master

Can now delete next and all jobs from every queue state.
removed short open tag syntax