[HarfBuzz] harfbuzz: Changes to 'inttype-constructors'

[Behdad Esfahbod]

New branch 'inttype-constructors' available with the following commits:
commit fc1be5edbad6285f44769dfcfaf57734da12d44f
Author: Behdad Esfahbod <behdad at behdad.org>
Date:   Thu Nov 8 13:08:40 2018 -0500

    [DONTMERGE] Add constructors to IntType
    
    Testing to see which bots fail.

commit 9fae611740f514e5fc101a18c4551a20b4a47b59
Author: Behdad Esfahbod <behdad at behdad.org>
Date:   Thu Nov 8 12:17:09 2018 -0500

    [test/text-rendering-tests] Update from upstream

commit b989507fa6b36eb9950001d4e28f3946ffbe75f9
Author: Ebrahim Byagowi <ebrahim at gnu.org>
Date:   Thu Nov 8 20:48:54 2018 +0330

    [aat] Minor (#1369)

commit f90423847b07ff9c9f66be6dfa3b6071f9c7d9d3
Author: Ebrahim Byagowi <ebrahim at gnu.org>
Date:   Thu Nov 8 19:17:02 2018 +0330

    [just] Initial table implementation (#1364)
    
    A starting point, its sanitization is not tested however

commit b8b00fb3c60d23efca5720db15555c4a01c56a45
Author: Ebrahim Byagowi <ebrahim at gnu.org>
Date:   Thu Nov 8 18:53:14 2018 +0330

    [aat] Support Lookup<OffsetTo<>>, needed by just and lcar (#1368)

commit 073d0a9fbcf4f9cf44878f3f91afa27615b14e5c
Author: Ebrahim Byagowi <ebrahim at gnu.org>
Date:   Thu Nov 8 10:59:50 2018 +0330

    [ci] minor