[WIP] Diffing and Patching Lexeme forms and nextFormId

Authored by Aleksey_WMDE on Sep 8 2017, 7:41 PM.

Description

[WIP] Diffing and Patching Lexeme forms and nextFormId

Change-Id: Icfa5d5bfcbe7e48cab9f1d4c99eeba1bd656d39f