Merge branch 'master' into refactor-errorhandler

* master:
  Fixes #2912: Relative view files will be looked for under the directory containing the view currently being rendered
  app end improvement.
  improvement of Application::end() handling.
  typo fix.
  Fixes #2910: Added `Application::end()`

Conflicts:
	framework/base/Application.php
created console errorHandler
handle Exceptions in application init()
AR doc cleanup.
removed TODOs
cleanup application errorHandler getter
removed unnecessary static var
Fixes #2911: Removed `tbl_` default for table prefix
Implemented Oracle column comment reading from another schema
Escaped table names for unit tests
fixed data-method.
Fixes #2921
better fix [skip ci]
Escaped more table names
Merge pull request #2916 from yiisoft/refactor-errorhandler

Refactor errorhandler
improved DI definition normalization.
Merge branch 'master'
Renamed fixtures
Merge pull request #2922 from yiisoft/remove-tbl-prefix

Fixes #2911: Removed `tbl_` default for table prefix
Fixed phpdoc, removed unit tests for Formatter asRelativeTime that were relative to current time since it was impossible to specify correct expected values