powerline added to extend script

apt-extend-mint

 sudo apt-get install evolution
 sudo apt-get install python-coverage python3-coverage python-jinja2 python3-jinja2
 sudo apt-get install python-wxtools python3-wxgtk4.0
-sudo apt-get install texlive-binaries texlive-latex-extra texlive-lang-german texlive-fonts-recommended texstudio
+sudo apt-get install texlive-binaries texlive-latex-extra texlive-lang-german texlive-fonts-recommended texstudio
+sudo apt-get install fonts-powerline powerline python3-powerline python3-powerline-gitstatus