move wpa widget to match new layout

contrib/README.md

@@ -142,11 +142,15 @@ manipulate them
 
 **vicious.contrib.sensors**
 
-vicious.contrib.wpa
-  - provides information about the wifi status
-  - requires 'wpa_cli' from wpa_supplicant
+**vicious.contrib.wpa**
+
+Provides information about the wifi status
+Supported Platforms: platform independent (`wpa_cli`)
+
+- Arguments
   - takes the interface as an argument, i.e "wlan0" or "wlan1"
-  - returns a table with string keys: {ssid}, {qual}, {ip}, {bssid}
+- Returns
+  - a table with string keys: {ssid}, {qual}, {ip}, {bssid}
 
 **vicious.contrib.buildbot**
 

contrib/wpa_all.lua

@@ -20,7 +20,7 @@ local string = {
 
 
 -- Wifi: provides wireless information for a requested interface
-local wpa = {}
+local wpa_all = {}
 
 local info = {
   ["{ssid}"] = "N/A",
@@ -62,4 +62,4 @@ local function worker(format, warg)
 end
 -- }}}
 
-return setmetatable(_M, { __call = function(_, ...) return worker(...) end })
+return setmetatable(wpa_all, { __call = function(_, ...) return worker(...) end })