move openweather to match new layout

contrib/README.md

@@ -79,10 +79,14 @@ vicious.contrib.netcfg
 
 **vicious.contrib.net**
 
-vicious.contrib.openweather
-  - provides weather information for a requested city
-  - takes OpenWeatherMap city ID as an argument, i.e. "1275339"
-  - returns a table with string keys: {city}, {wind deg}, {wind aim},
+**vicious.contrib.openweather**
+
+Provides weather information for a requested city
+
+- Arguments
+  * takes OpenWeatherMap city ID as an argument, i.e. "1275339"
+- Returns
+  * a table with string keys: {city}, {wind deg}, {wind aim},
     {wind kmh}, {wind mps}, {sky}, {weather}, {temp c}, {humid}, {press}
 
 **vicious.contrib.nvinf**

contrib/openweather_all.lua

@@ -17,7 +17,7 @@ local math = {
 
 -- Openweather: provides weather information for a requested station
 -- vicious.widgets.openweather
-local openweather = {}
+local openweather_all = {}
 
 
 -- Initialize function tables
@@ -91,4 +91,4 @@ local function worker(format, warg)
 end
 -- }}}
 
-return setmetatable(openweather, { __call = function(_, ...) return worker(...) end })
+return setmetatable(openweather_all, { __call = function(_, ...) return worker(...) end })