Compute MCW for RenderableComplexText

Compute the 'minimum chunk width' (MCW) for RenderableComplexText.
Add spacing support for logical drawing

TODO: - fix wrapping width for text layouts to match the text spacing,
in order to avoid text overflow
Add Rich-Text support for HTML files (first draft)

Add Rich-Text support for HTML files (first draft)
Add Rich-Text support (for inline styled text) for Excel report type

Add Rich-Text support (for inline styled text) for Excel report type
Add Rich-Text support for RTF report type

Add Rich-Text support for RTF report type
[GITBUG] - Line endings again.
Merge branch 'Arabic-Text' of github.com:mandrone/pentaho-reporting into Arabic-Text