Add basic support for linking to local files.
Add multi-row header support
Fix additional table rows height logic
Fix failing tests
First attempt at specs for multiple-row headers
Add failing spec to demonstrate TTF subsetting problem under JRuby

This will be fixed with a ttfunk version bump.
fixes issue #407
adapting test case for issue #407 to work with ruby 1.8.7
improved test case, found new bug, fixed it
minor fix in spec file, fixing last commit
Remove stray puts
fixes issue #533
added spec for issue #502 - works without problems with the current code
fixes #502
Fix github #537 : force text rendering mode for templates

Add method forget_text_rendering_mode! to drop the text state when
working with templates.
Merge pull request #538 from kuroneko/master

Fix github #537 : force text rendering mode for templates
Merge pull request #535 from hbrandl/issue_502_fixed

fixes issue #502
Use the current font style in a cell.

When no font style is given for a cell, use the current one.
This is especially relevant for dfont fonts, where the same
font path refers to multiple fonts.

Without this fix, when using a global style for a dfont font,
it is lost in the table.
Ruby 1.8-style hash syntax to maintain compatibility
Cleaned whitespace