Improve test title and extend test case
Improve test title and extend test case

Add different types of newline
* cell array
* sprintf with newline character (= ASCII 10)

miscco/matlab2tikz,okomarov/matlab2tikz,matlab2tikz/matlab2tikz,LJeub/matlab2tikz,nidrosianDeath/matlab2tikz,egeerardyn/matlab2tikz,PeterPablo/matlab2tikz,egeerardyn/matlab2tikz,RPeschke/matlab2tikz,matlab2tikz/matlab2tikz,okomarov/matlab2tikz