Merge branch 'upstream' into tizentizen_4.0.m2_releasetizen_4.0.IoT.p2_releasetizen_4.0.IoT.p1_releasesubmit/tizen_4.0/20170828.100005submit/tizen_4.0/20170811.094300submit/tizen/20170714.093330submit/tizen/20170713.122748accepted/tizen/unified/20170717.170626accepted/tizen/4.0/unified/20170828.222253accepted/tizen/4.0/unified/20170816.012851tizen_4.0_tv

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diff --git a/NEWS b/NEWS
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+Overview of changes leading to 1.4.6
+Sunday, April 23, 2017
+====================================
+
+- Graphite2: Fix RTL positioning issue.
+- Backlist GDEF of more versions of Padauk and Tahoma.
+- New, experimental, cmake alternative build system.
+
+
+Overview of changes leading to 1.4.5
+Friday, March 10, 2017
+====================================
+
+- Revert "Fix Context lookup application when moving back after a glyph..."
+  This introduced memory access problems.  To be fixed properly soon.
+
+
+Overview of changes leading to 1.4.4
+Sunday, March 5, 2017
+====================================
+
+- Fix Context lookup application when moving back after a glyph deletion.
+- Fix buffer-overrun in Bengali.
+
+
+Overview of changes leading to 1.4.3
+Saturday, February 25, 2017
+====================================
+
+- Route Adlam script to Arabic shaper.
+- Misc fixes.
+- New API:
+  hb_font_set_face()
+- Deprecate API:
+  hb_graphite2_font_get_gr_font()
+
+
+Overview of changes leading to 1.4.2
+Monday, January 23, 2017
+====================================
+
+- Implement OpenType Font Variation tables avar/fvar/HVAR/VVAR.
+- hb-shape and hb-view now accept --variations.
+- New API:
+
+hb_variation_t
+hb_variation_from_string()
+hb_variation_to_string()
+
+hb_font_set_variations()
+hb_font_set_var_coords_design()
+hb_font_get_var_coords_normalized()
+
+hb-ot-var.h:
+hb_ot_var_axis_t
+hb_ot_var_has_data()
+hb_ot_var_get_axis_count()
+hb_ot_var_get_axes()
+hb_ot_var_find_axis()
+hb_ot_var_normalize_variations()
+hb_ot_var_normalize_coords()
+
+- MVAR to be implemented later.  Access to named instances to be
+  implemented later as well.
+
+- Misc fixes.
+
+
+Overview of changes leading to 1.4.1
+Thursday, January 5, 2017
+====================================
+
+- Always build and use UCDN for Unicode data by default.
+  Reduces dependence on version of Unicode data in glib,
+  specially in the Windows bundles we are shipping, which
+  have very old glib.
+
+
+Overview of changes leading to 1.4.0
+Thursday, January 5, 2017
+====================================
+
+- Merged "OpenType GX" branch which adds core of support for
+  OpenType 1.8 Font Variations.  To that extent, the relevant
+  new API is:
+
+New API:
+hb_font_set_var_coords_normalized()
+
+  with supporting API:
+
+New API:
+HB_OT_LAYOUT_NO_VARIATIONS_INDEX
+hb_ot_layout_table_find_feature_variations()
+hb_ot_layout_feature_with_variations_get_lookups()
+hb_shape_plan_create2()
+hb_shape_plan_create_cached2()
+
+  Currently variations in GSUB/GPOS/GDEF are fully supported,
+  and no other tables are supported.  In particular, fvar/avar
+  are NOT supported, hence the hb_font_set_var_coords_normalized()
+  taking normalized coordinates.  API to take design coordinates
+  will be added in the future.
+
+  HVAR/VVAR/MVAR support will also be added to hb-ot-font in the
+  future.
+
+- Fix regression in GDEF glyph class processing.
+- Add decompositions for Chakma, Limbu, and Balinese in USE shaper.
+- Misc fixes.
+
+
+Overview of changes leading to 1.3.4
+Monday, December 5, 2016
+====================================
+
+- Fix vertical glyph origin in hb-ot-font.
+- Implement CBDT/CBLC color font glyph extents in hb-ot-font.
+
+
+Overview of changes leading to 1.3.3
+Wednesday, September 28, 2016
+====================================
+
+- Implement parsing of OpenType MATH table.
+New API:
+HB_OT_TAG_MATH
+HB_OT_MATH_SCRIPT
+hb_ot_math_constant_t
+hb_ot_math_kern_t
+hb_ot_math_glyph_variant_t
+hb_ot_math_glyph_part_flags_t
+hb_ot_math_glyph_part_t
+hb_ot_math_has_data
+hb_ot_math_get_constant
+hb_ot_math_get_glyph_italics_correction
+hb_ot_math_get_glyph_top_accent_attachment
+hb_ot_math_get_glyph_kerning
+hb_ot_math_is_glyph_extended_shape
+hb_ot_math_get_glyph_variants
+hb_ot_math_get_min_connector_overlap
+hb_ot_math_get_glyph_assembly
+
+
+Overview of changes leading to 1.3.2
+Wednesday, September 27, 2016
+====================================
+
+- Fix build of hb-coretext on older OS X versions.
+
+
+Overview of changes leading to 1.3.1
+Wednesday, September 7, 2016
+====================================
+
+- Blacklist bad GDEF of more fonts (Padauk).
+- More CoreText backend crash fixes with OS X 10.9.5.
+- Misc fixes.
+
+
 Overview of changes leading to 1.3.0
 Thursday, July 21, 2016
 ====================================