* upstream/master: (91 commits)
fixed init.bat paths
renamed backstage → backend
Fixed test break.
Response WIP
coding style fix.
[1] Redone missing code. [2] Added empty line at the end of file [3] Removed exception.
Updated code style. braces on the same line for control statements.
Removed unused columsn from find constraint sql. Fixed typo. Added extra schema check for when a foreign table is not in the same schema. Updated indentation to conform to other classes.
Multilevel Items
Fixes issue #514.
Removed the config setting that should not have been commited.
Removed false exception catching.
Removed custom pgsql PDO and added defaultSchema as public property.
CS fixes.
Minor refactoring of DbMessageSource.
Response WIP
Minor refactoring of t().
Added Jsonable support.
Fixes#13. Implement DB message source.
Yii::t() minor fix.
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