Added test for DoT-curse and fixed bugs
Wrote test for slowing curse
Merging

nch 'master' of https://github.com/05K4R/OOP-Projekt-grupp-16

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Added angle method for mob, tower, projectile to be used on view image init
Changed spash to Splash
Merge branch 'Jonte' of https://github.com/05K4R/OOP-Projekt-grupp-16 into Jonte