LocalIP: backport mac address support

Also change `--*-ip-*` to `--*ip-*` to be consistant to my config branch

src/data/config_user.txt

@@ -168,13 +168,13 @@
 # Sets the URL of public IP detection server to be used.
 # Only HTTP protocol is supported, and the value should not contain "http://" prefix.
 # Default is "ipinfo.io/ip".
-#--public-ip-url "ipinfo.io/ip"
+#--publicip-url "ipinfo.io/ip"
 
 # Public IP timeout option:
 # Sets the time to wait for the public ip server to respond.
 # Must be a positive integer.
 # Default is 0 (disabled).
-#--public-ip-timeout 0
+#--publicip-timeout 0
 
 # Weather output format option:
 # Sets the weather format to be used. It must be URI encoded.
@@ -321,8 +321,8 @@
 #--battery-key Battery {1}
 #--poweradapter-key Power Adapter {1}
 #--locale-key Locale
-#--local-ip-key Local IP ({1})
-#--public-ip-key Public IP
+#--localip-key Local IP ({1})
+#--publicip-key Public IP
 #--wifi-key Wifi
 #--weather-key Weather
 #--player-key Media Player
@@ -369,8 +369,8 @@
 #--battery-format
 #--poweradapter-format
 #--locale-format
-#--local-ip-format
-#--public-ip-format
+#--localip-format
+#--publicip-format
 #--weather-format
 #--player-format
 #--media-format
@@ -416,8 +416,8 @@
 #--battery-error
 #--poweradapter-error
 #--locale-error
-#--local-ip-error
-#--public-ip-error
+#--localip-error
+#--publicip-error
 #--weather-error
 #--player-error
 #--media-error

src/data/help.txt

@@ -126,12 +126,12 @@ Module specific options:
     --battery-temp  <?value>:                Detect and display Battery temperature if supported. Default is false
     --localip-show-ipv4 <?value>:            Show IPv4 addresses in local ip module. Default is true
     --localip-show-ipv6 <?value>:            Show IPv6 addresses in local ip module. Default is false
+    --localip-show-mac <?value>:             Show mac addresses in local ip module. Default is false
     --localip-show-loop <?value>:            Show loop back addresses (127.0.0.1) in local ip module. Default is false
     --localip-name-prefix <str>:             Show IPs with given name prefix only. Default is empty
-    --localip-compact-type <str>:            Show IPs in one line. Should be either none, oneline, multiline. Default is none
-    --localip-v6first <?value>:              Set if ipv6 should be printed first. Default is false
-    --public-ip-timeout:                     Time in milliseconds to wait for the public ip server to respond. Default is disabled (0)
-    --public-ip-url:                         The URL of public IP detection server to be used.
+    --localip-compact <?value>:              Show all IPs in one line. Default is false
+    --publicip-timeout:                      Time in milliseconds to wait for the public ip server to respond. Default is disabled (0)
+    --publicip-url:                          The URL of public IP detection server to be used.
     --weather-timeout:                       Time in milliseconds to wait for the weather server to respond. Default is disabled (0)
     --weather-output-format:                 The output weather format to be used. It must be URI encoded.
     --player-name:                           The name of the player to use