Revert "phpBB 3.0.12-PL1"

This reverts commit ae89e173f6658ee02cd5250008d3566763c2b2ee.
Revert "Revert "phpBB 3.0.12-PL1""

This reverts commit 0aae1948c191c5ead19a9fa42f637876aa01642b.