[FIX] Mail Queue in Multitiki installations. Add mail-queue:send command (to be called from console.php).

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@51266 b456876b-0849-0410-b77d-98878d47e9d5
[NEW, REF] Bootstrappified Snow theme, for variety and as an experiment in using background images with Bootstrap. 

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@51268 b456876b-0849-0410-b77d-98878d47e9d5
[FIX]Missing check for SMTP selected as the mailer option

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@51269 b456876b-0849-0410-b77d-98878d47e9d5
[FIX]Missing global prefs (for the check to log action or not)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@51270 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] Mail Queue. Log mail in Tiki Logs if necessary.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@51273 b456876b-0849-0410-b77d-98878d47e9d5
Check for OpCache in tiki-check.php

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@51275 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] Mail Queue. Remove sendmail.php. It is superseded by console.php mail-queue:send

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@51276 b456876b-0849-0410-b77d-98878d47e9d5