Added Noop to Misc.
Refactoring.
Added almost finished HumanRendering.
Rendering of negative durations + Refactoring.
Updated SBT to v0.13.5.
Added checking for dependency updates on load of SBT.
Updated Scala to v2.11.2.
Improved DebugPrintTests, so that when the real Clipboard is used the tests run in an isolated environement and thus don't mess up the content of the clipboard prior to the test.
Added scoverage plugin to SBT.
Setup travis.