* Add experimental support for the GL.iNet GL-AR150 - https://openwrt.org/toh/gl.inet/gl-ar150
Mesh networking and tunneling have been confirmed working.
This device has been confirmed capable of operating on channel -1, but /etc/config/wireless has to be manually edited to select this channel.
* www/cgi-bin/perlfunc.pm patched to add UI support for the GL.iNet GL-AR150
* www/cgi-bin/perlfunc.pm patched to add UI support for the GL.iNet GL-AR150 - seems like only 18 dBm TX power is possible
* Remove Experimental comments and designate as stable
* Configure Ethernet ports & VLANs for GL-AR150, and update README.md
* Fix misunderstanding re README.md
* Patch Upstream OpenWRT GL-AR150 LAN & WAN LED mapping, configure WLAN LED as mesh linked indicator.