Fixed phpdoc, removed unit tests for Formatter asRelativeTime that were relative to current time since it was impossible to specify correct expected values

Fixes #2911: Removed `tbl_` default for table prefix

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

fixes #1946

Fixes #2912: Relative view files will be looked for under the directory containing the view currently being rendered

Changes building of mongodb and conditions & fixes #2868

Update README.md