Updated video_filter to version 7.x-3.1
middlebury_go: Resolve 'Module .info files must now specify all loadable code files explicitly.' For #17.
middlebury_go: Resolve 'Use st() instead of t() in hook_install(), hook_uninstall() and hook_update_N()'. For #17.
middlebury_go: Ignore coder warnings for SQL statements run against remote database. Fixes #17.