[doc] s/which/that/ where appropriate.

Note that this is a try by a non-native English speaker whose mother
language (German) doesn't have this distinction at all...
[autofit] Improve Hebrew rendering.

This change introduces a new blue zone property
`AF_BLUE_PROPERTY_LATIN_LONG' to make the auto-hinter ignore short
top segments.

* src/autofit/afblue.dat: Fix Hebrew blue strings.
Use AF_BLUE_PROPERTY_LATIN_LONG for AF_BLUE_STRING_HEBREW_TOP.

* src/autofit/afblue.hin (AF_BLUE_PROPERTY_LATIN_LONG): New macro.

* src/autofit/afblue.c, src/autofit/afblue.h: Updated.

* src/autofit/aflatin.c (af_latin_metrics_init_blues): Handle
`AF_LATIN_IS_LONG_BLUE'.

* src/autofit/aflatin.h (AF_LATIN_IS_LONG_BLUE): New macro.
* include/freetype/ftoutln.h: Correct FT_Outline_Get_Orientation
algorithm description.
Merge branch 'master' of git://git.sv.nongnu.org/freetype/freetype2