stop using arrows in comment buttons
dont change comment button size on hover
mv comment_form from forms to comment
fix nested comment_form
fix spacing
nest comment_actions
fix comment buttons color
fix comment button vertical align
fixup nest comment_actions

without this, comments inside the paper overlay as well as
paper_actions in the paper list below proposals are broken
use compass executable instead if compile_stylesheet
fixup 80e7178 fix spacing
typo fixup
remove leftover ipdb
use working example in configuration file
Workaround encoding problem in optional_attributes
Merge pull request #503 from xi/feature-refactor-comment-css

refactor comment css
Merge pull request #505 from xi/feature-compass-executable

use compass executable instead of compile_stylesheet
Rename diazo_theme_rules_dir and compass_theme_dir

to relative_theme_dir and absolute_theme_dir. In addition the latter is
now automatically created from the former (relative_theme_dir), which
now has to be set from within themes instead of diazo_theme_rules_dir.

See #505 for context.
Don't export creator emails with proposals by default

This can now be reenabled by enabling 'adhocracy.export_personal_email'.
This is already done for hhu.cfg.
Allow to export proposal creator badges