add 'deb' plugin with Debian's apt aliases

plugins/deb/deb.plugin.zsh

+# Aliases
+alias as="aptitude -F \"* %p -> %d \n(%v/%V)\" \
+		--no-gui --disable-columns search"	# search package
+alias ad="sudo apt-get update"				# update packages lists
+alias au="sudo apt-get update && \
+		sudo apt-get dselect-upgrade"		# upgrade packages
+alias ai="sudo apt-get install"				# install package
+alias ar="sudo apt-get remove --purge && \
+		sudo apt-get autoremove --purge"	# remove package
+alias ap="apt-cache policy"				# apt policy
+alias av="apt-cache show"				# show package info
+alias ac="sudo apt-get clean && sudo apt-get autoclean" # clean apt cache