set path to graphics folder and add package for better citation

thesis/header.tex

@@ -8,6 +8,8 @@
 
 \usepackage{comment}
 \usepackage{graphicx}
+\graphicspath{ {graphics/} }
+
 \usepackage{tabularx}
 \usepackage{multirow}    
 \usepackage{multicol}
@@ -25,6 +27,7 @@
 \usepackage{marginnote}
 \usepackage{wrapfig}
 \usepackage{blindtext}
+\usepackage{csquotes}
 
 % llt: Define a global style for URLs, rather that the default one
 \makeatletter