Fix request #7424: Change the compatibility mode text in Mediawiki

Change-Id: Idcbf7634596e6dec874c7fa047555bf1fcd8a613
Fix request #7409 Tv3 export to Tv5: Notice in system event email

 -Extra parameters are useless and throw notices
 -The 'title' in the mail format is used for web pages and so is irrelevant

Change-Id: Ia939887dd6fc29ee69e7984f4f18e3e225dcd8ee