~jaro/balkon

ref: e7cf323c675e1aa56e595c1a0d919fbc978b2f7f balkon/.golden/mixedScriptWordsParagraph 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.
Test line splitting with many runs.