Fix unit config generator to produce column phrase compatible grid declaration

[Alexander Obuhovich]

In-Portal has nice unit config generator in "System Tools" section. It is used for create initial version of unit config based on given database table name.

However since 5.1.3 we've introduced a way to combine both edit form field and grid column title translations into a single phrase record. Unit config generator still generates unit configs as if this change was never made.

Task: http://tracker.in-portal.org/view.php?id=1246

Ready for testing.

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