~jaro/balkon

ref: 2613eb4c3f34a20fef02712d58af34e9b5200e6e 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.