[ticket/13427] Add several before/after template events to mcp_front.html.

PHPBB3-13427
Merge pull request #3224 from prototech/ticket/13427

[ticket/13427] Add several before/after template events to mcp_front.html
Merge branch 'develop-ascraeus' into develop

Conflicts:
	phpBB/styles/subsilver2/template/mcp_front.html