Working on new Circle element
New-style circle, line and rectangle element implemented. Tell-methods yet missing.
New-style text element implemented. Tell methods not implemented yet.
New-style triangle element implemented. Refactored the general rotating action, according to the new elements structures.
Fixed scaling for new-style elements
Fixed small bugs of the new-style elements. Also, improved styling of the element options menu
Merge branch 'new-element'

Refactored the element-modules, to improve code structure.