Fix minor statusbar issues (#597)

* Fix: Remove trailing space from battery

* Unify spacing in disk

* Fix news

Don't display news module when there are no news.

* Use grep -F in pacpackages

* Fix torrent

Remove trailing whitespace *after* replacing newlines.

* Quote sed command

.local/bin/statusbar/pacpackages

@@ -25,4 +25,4 @@ case $BLOCK_BUTTON in
 - Middle click to show upgradable packages" ;;
 esac
 
-pacman -Qu | grep -cv "\[ignored\]" | sed "s/^/📦/;s/^📦0$//g"
+pacman -Qu | grep -Fcv "[ignored]" | sed "s/^/📦/;s/^📦0$//g"