Add paragraph to install full wpad on Dawn setting up page

[tmomas]

If nobody else does it for you, do it yourself:

Applying for OpenWrt wiki account

If you want to contribute to OpenWrt by adding useful information to the wiki, you can apply here for a wiki account. Applying via IRC Since there are currently no wiki administrators active in the forum, you need to apply for an account via IRC. You may use the OFTC web chat to connect to the #openwrt channel without the need to setup a dedicated IRC client. Please send a private message (query) with your desired nickname and email address to PaulFertser who will take care of the account crea…