Merge pull request #11 from JosuaKrause/ini

renamed latex to LaTeX

delete in order to rename latex to LaTeX

fixed overlapping lines and corrected naming of the strategies

introduced top down strategy

easier strategy

introduced measures and an abstract tree strategy

save the syntax tree

correct custom items (renderer, strategy) when specified in ini file

renderer and strategy menu items

display method in ini file

controller defines display method with renderer and strategy

exchangeable positioning strategy for syntax trees

moved io operations in the io utils

remember last save directories and ensure that there is a view to save when saving view