Rails 2.1 compatibility fix in UserPreference.
Updates environment.rb to use Rails 2.1 gem.
rfpdf backward compatibility (Rails 2.0) hack.
Merge changes from trunk.
Pass path param as an array.
Fixes test broken by r1610.
Splits initializer.
rfpdf compatibility with Rails 2.1 fix.
Merged r1612 from trunk.
Escapes HTML tags.
