also link harfbuzz-icu library - closes #1953
fix compile error
Fix a few test failures.
Replace outdated reference images.
Change parameters to match values from old dataset.
Fix filter rules.
Full document interface of text_layout and text_line.
Add test case for bug #2037.
Add documentation and remove naming inconsistencies.
Proper bounds checking for line break positions.
Closes #2037.
Try using the waf build system