schema 7.x-1.0-beta4

Changes since 7.x-1.0-beta3:

• Issue #1223858: Database prefix (without '_') unsupported by fgm: Add support for database prefixes.
• Issue #1279418: Schema 7 fails on PostgreSQL by Ben Coleman, nohup: Fix PostgreSQL errors.
• Issue #1710674: Output comparison result module lists through Drush by colan: List comparison result lists through Drush.
• Issue #915112: simpletest getInfo() should be declared as static by Dave Reid: simpletest getinfo() should be declared as static
• Issue #1235240: Please do not translate table names by karschsp: Please do not translate table names.
• Issue #1007844: Undefined index: warn in schema_compare() (line 614 by Richard Eriksson, cmfeliz, Jan_vStone, lyricnz: Undefined index warn in schema_compare()
• The Great Git Migration: Removing translation directories
• The Great Git Migration: Stripping CVS keywords
• Issue #781250: PHP Notice by mikeryan: Notice when no extra tables