* 'master' of github.com:yiisoft/yii2: (1471 commits)
  Remove PHP 5.3 Travis build rule. Related to #35.
  Remove use ($this). Related to 9e1b498f.
  PHP 5.4 supports $this with closures.
  Fixes #999.
  Just simple support PostgreSQL in QueryBuilder
  debug panel : changed .json to .php
  debug panel : change json_encode/decode to serialise/unserialise to prevent non-UTF characters error
  typo fix
  Fixes #930: Added i18n docs about configuring message source
  commented private property
  Fixed typos
  fixes #995
  More on GII buttons
  Fixed option merging in Console::prompt()
  changed default button style
  typo fix.
  Refactored getModule and hasModule.
  Added intl check to tests, better error reporting, credited Aura.Intl for the most complex test pattern
  Better MessageFormatter tests
  GII sub-modules support - see #871
  ...