CE-351 Modifications for UserLogin maintenance script; cleanup old unconfirmed users, send reminders on 7th day after signup
CE-351 Temporary script to move TempUsers to Users unconfirmed after switching off temp user
CE-311 Messages wfMsg to wfMEssage corrections
CE-351 SQL query optimization
Merge pull request #1362 from Wikia/CE-351-userlogin-get-rid-of-temp-user-maintenance

Ce 351 userlogin get rid of temp user maintenance
Merge branch 'dev' into CE-311-internal-userlogin-and-get-rid-of-temp-user
Merge branch 'CE-311-internal-userlogin-and-get-rid-of-temp-user' into CE-311-copy-unit-tests