update plugin documentation

plugins/available/_xterm.plugins.bash

@@ -6,6 +6,9 @@
 #
 # [issue 108]: https://github.com/revans/bash-it/issues/108
 
+cite about-plugin
+about-plugin 'automatically set your xterm title with host and location info'
+
 set_xterm_title () {
     local title="$1"
     echo -ne "\e]0;$title\007"

plugins/available/battery.plugin.bash

@@ -1,6 +1,12 @@
 #!/usr/bin/env bash
 
+cite about-plugin
+about-plugin query and display info about your battery charge level
+
 battery_percentage(){
+  about 'displays battery charge as a percentage of full (100%)'
+  group battery
+
   if command_exists acpi;
   then
     local ACPI_OUTPUT=$(acpi -b)
@@ -65,6 +71,9 @@ battery_percentage(){
 }
 
 battery_charge(){
+  about graphical display of your battery charge
+  group battery
+
   # Full char
   local F_C='▸'
   # Depleted char

plugins/available/browser.plugin.bash

@@ -1,25 +1,20 @@
 # based on https://gist.github.com/318247
 
-# Usage: browser
-# pipe html to a browser
-# e.g.
-# $ echo "<h1>hi mom!</h1>" | browser
-# $ ron -5 man/rip.5.ron | browser
+cite about-plugin
+about-plugin 'render commandline output in your browser'
 
 function browser() {
+    about pipe html to a browser
+    example '$ echo "<h1>hi mom!</h1>" | browser'
+    example '$ ron -5 man/rip.5.ron | browser'
+    group browser
+
     if [ -t 0 ]; then
         if [ -n "$1" ]; then
             open $1
         else
-            cat <<usage
-Usage: browser
-pipe html to a browser
-
-$ echo '<h1>hi mom!</h1>' | browser
-$ ron -5 man/rip.5.ron | browser
-usage
-
-    fi
+            reference browser
+        fi
 
     else
         f="/tmp/browser.$RANDOM.html"
@@ -29,14 +24,11 @@ usage
 }
 
 
-# pipe hot spicy interwebs into textmate and cleanup!
-#
-# Usage: wmate
-# wget into a pipe into TextMate and force Tidy (you can undo in textmate)
-# e.g.
-# $ wmate google.com
-
 function wmate() {
+    about 'pipe hot spicy interwebs into textmate and cleanup!'
+    example '$ wmate google.com'
+    group browser
+
     if [ -t 0 ]; then
         if [ -n "$1" ]; then
             wget -qO- $1 | /usr/bin/mate
@@ -64,34 +56,21 @@ end tell
 EOT`
 
         else
-            cat <<usage
-Usage: wmate google.com
-wget into a pipe into TextMate and force Tidy (you can undo in textmate)
-
-$ wmate google.com
-usage
-
+            reference wmate
       fi
     fi
 }
 
-#
-# Usage: raw google.com
-# wget into a temp file and pump it into your browser
-#
-# e.g.
-# $ raw google.com
 function raw() {
+    about 'write wget into a temp file and pump it into your browser'
+    example '$ raw google.com'
+    group browser
+
     if [ -t 0 ]; then
         if [ -n "$1" ]; then
             wget -qO- $1 | browser
         else
-            cat <<usage
-Usage: raw google.com
-wget into a temp file and pump it into your browser
-
-$ raw google.com
-usage
-      fi
+            reference raw
+        fi
     fi
 }