use markdown in readme

README

@@ -1,9 +1,9 @@
-slock - simple screen locker
-============================
-simple screen locker utility for X.
+# slock - a fork of the suckless screenlocker for the _extremely_ paranoid
 
-Changes by chjj
-------------
+This is my personal fork of slock. It is the only screenlocker secure enough
+for me to use.
+
+## Changes from the original Slock
 
 - Custom Password: You can provide a custom password so you don't have to enter
   your user password on the X server. Simply create a ~/.slock_passwd file with
@@ -47,22 +47,25 @@ Changes by chjj
     You must change [username] and [hostname] to your username and the hostname
     of the machine.
 
-Requirements
-------------
+## Requirements
+
 In order to build slock you need the Xlib header files.
 
+- Potential runtime deps: sudo, ffmpeg, setxkbmap, curl, aplay
+- Other potential requirements: a twilio account, an imgur account
+
+## Installation
 
-Installation
-------------
 Edit config.mk to match your local setup (slock is installed into
 the /usr/local namespace by default).
 
 Afterwards enter the following command to build and install slock
 (if necessary as root):
 
-    make clean install
+``` bash
+$ make clean install
+```
 
+## Running slock
 
-Running slock
--------------
 Simply invoke the 'slock' command. To get out of it, enter your password.