v0.4.1

• Repairs repository notify #26 by searching for servlets with '_en' or '_de' ending
• Sets session timeout to 2 hours to avoid writing interruptions
• Implements logout servlet so that a logout with an expired cas session is also possible
• Fixes runner.rb for empty ENV["PLANTUML_URL"]
• Disables cookies for scmm requests to fix 'incomplete repo-list bug'
• Catch IllegalStateExceptions to tolerate invalid sessions