Fixes INP-1577 - CS fix all variable type comment
Differential Revision: http://qa.in-portal.org/D240
[backported] Fixes INP-1607 - PHP 7 compatibility issues
Bug #0000268: Code Cleanup in 5.2.x branch
1. removing references ("&") in code (makeClass & recallObject methods)
INP-224
1. setting scope keywords and fixing PHPDoc comments
Bug #0001025: Automatically set "svn:keywords" property to PHP files
INP-827
Part 1 (see http://tracker.in-portal.org/view.php?id=268#bugnotes, bugnote 2970)
Releasing version 'branches/5.2.x' (copy from 'branches/5.1.x') of 'in-portal' module.
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