checking graphic_state of previous page exists before duping while creating new page
removing present method
Merge pull request #482 from aayushkhandelwal11/master

Checking graphic state exists for previous page before duping when starting new_page
DecodeParms typo fixed

This typo caused filter parameters to be saved under wrong key and thus missed
by PDF processor.

Fixes #477
Fixed stream encription

This is the part I missed when I was implementing new streams. Mostly because it
wasn't covered by specs.

Fixes #484
Merge pull request #486 from cheba/stream-encryption-fix

Fixed stream encription
Minor typo fixes
Merge pull request #485 from cheba/bug-477

DecodeParms typo fixed
Include only *.afm files in .gemspec rather than all font files
Prawn does not use the *.ttf fonts internally so it's better not to include them in the final package.
Merge pull request #490 from strzibny/master

Keep only .afm files regarding fonts
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.