Integrate BiDi reordering.

Bump version to 0.3.0.0.

Set release date for v0.2.1.0.

Add paragraph pagination.

Set release date for v0.2.0.0.

Remove collapsible spaces at beginning of lines.

Support hard line breaks.

Bump version to 0.2.0.0.

Add shaped runs for demo.

Properly use ICU locale identifiers.

Fix version number in changelog.

Update documentation.

Fill changelong and prepare for v1.0 release.

WIP version with WIP interface.