.shell/aliases: add space before ;
.shell/aliases: implement hl() for dash
.shell/aliases: move bin/find-broken-links to a shell function

and use -xtype powerful option to find broken symlinks
install.sh: add quotes and prevent installing unwanted files
install.sh: remove broken symlinks
Use locale-independent sort for dconf- and xfconf-dump
Add bin/gsettings-dump