Add microtype for slightly better kerning

Signed-off-by: Marcus Müller <marcus@hostalia.de>

cel-thesis.cls

@@ -58,6 +58,8 @@ beforeskip=0pt,
 \usepackage[T1]{fontenc}  % encoding for target files.
 \usepackage[utf8]{inputenc} % UTF-8 encoding for source files
 \usepackage{lmodern}
+
+\usepackage{microtype}
 \usepackage[printonlyused]{acronym} % use this package for abbreviations!
 \def\setlanguage{
     \usepackage[\theThesisLanguage]{babel}