Script for automatically break lines

[stefan-kolb]

after periods and other sentence endings.
maybe a flag for the validate action.

[koppor]

Evaluate https://github.com/cmhughes/latexindent.pl/.

latexindent -m -l -s -sl -w paper.tex

Config at https://github.com/latextemplates/LNCS/blob/master/localSettings.yaml