point to texlive 2016

Dockerfile

@@ -88,7 +88,7 @@ ADD ${baseDir}/nginx/sharelatex.conf /etc/nginx/sites-enabled/sharelatex.conf
 RUN rm -r /install-tl-unx; \
 	rm install-tl-unx.tar.gz
 
-ENV PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/texlive/2015/bin/x86_64-linux/
+ENV PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/texlive/2016/bin/x86_64-linux/
 RUN apt-get update
 RUN tlmgr install latexmk