Backport base code from stable

Makefile

-EDITOR = geany
+help: # Print help on Makefile
+	@grep '^[^.#]\+:\s\+.*#' Makefile | \
+	sed "s/\(.\+\):\s*\(.*\) #\s*\(.*\)/`printf "\e[1;33;4;40m"`\1`printf "\033[0m"`	\3/" | \
+	expand -t20
 
-clean:
-	# Remove files not in source control
+clean: # Remove files not tracked in source control
 	find . -type f -name "*.retry" -delete
 	find . -type f -name "*.orig" -delete
 
-open_all:
+open_all: # Open all projects files
 	${EDITOR} .gitignore inv* Makefile README.md
 	${EDITOR} tasks/*.yml
 	${EDITOR} tasks/files/sshd_config
@@ -18,5 +20,5 @@ open_all:
 	${EDITOR} tasks/user_cfg/vars/*.yml
 	${EDITOR} tasks/vars/*.yml
 
-inventory_generation:
+gen_invent: # Generate base inventory
 	cp inventory.sample inventory && ${EDITOR} inventory

README.md

@@ -27,6 +27,6 @@ Suitable for server and workstation.
 -------------
 
 1. Setup your `inventory` file from [`inventory.sample`](inventory.sample) :
-    - `make inventory_generation`
+    - `make gen_invent`
 1. Run `host_info` playbook to `<group_foo>` & `<group_bar>` :
     - `ansible-playbook tasks/host_info.yml -i inventory -e host_list=<group_foo>:<group_bar>`