for rails 3.1, disable xml. should be removed when merged with rails 3.2
CRYPTOPROVIDER environment variable (e.g. BCrypt). added Bace. closes gh-338
group admin can determine how/whether account balance displayed. closes gh-336
admin can specify custom logout url. closes gh-318
fix merge conflicts. remove disable_xml initializer
update heroku_install for master branch
attachment-fu is removed. closes gh-208
fix merge conflict