~jaro/balkon

ref: 462afb29bdb429483f49de96b857f6e94b2df2a5 balkon/.golden/loremIpsum20em d---------
Implement trimming spaces at end of lines.
Make paragraphRect origin always 0,0.

This convention should make it easier for the caller to properly place
the paragraph within a document.
Add ignored prefixes and suffixes to test data.

This ensures that implementation does not rely on the texts having zero
offset inside their byte arrays.
Use ICU to find line break boundaries.
Implement line breaking on code point boundaries.