incorporate acts_as_attachable patch to avoid a weird filenotfound on heroku
initial support for Redmine 2.3+ ajax file upload attachments
fixed accessing ajax-uploaded files and added a special case for "File" attachments
removed breakpoint
make new attachment system more robust (handle Wiki/News/Documents...)
fixes for deleting and managing Wiki page attachments
increment version
minor whitespace fixes
Merge branch 'unstable'
readme tweaks and 2.1.0 tagging