set wgDisableAnonEditing for encyclopediamuricanawiki

Set wgDisableAnonEditing for encyclopediamuricanawiki true per request on Orain Meta https://meta.orain.org/wiki/Request_features#Encyclopedia_Muricana_.28Status:_Open.29
Merge pull request #237 from Southparkfan/patch-2

set wgDisableAnonEditing for encyclopediamuricanawiki