Enable Echo and Thanks on Various wikis:

The wiki list includes: sqwiki, arwiki, azwiki, bewiki, bgwiki, zhwiki, hrwiki, cswiki,
fiwiki, glwiki, elwiki, idwiki, lvwiki, ltwiki, mswiki, nnwiki, srwiki, skwiki, slwiki,
thwiki, trwiki, ckbwiki, cywiki

Change-Id: I6d97be5d578e54affdac20008df7c0577fc72ce3
Merge "Enable Echo and Thanks on Various wikis:"