Patch by Go Maeda.
git-svn-id: http://svn.redmine.org/redmine/trunk@17185
e93f8b46-1217-0410-a6f0-
8f06a7374b81
Issue attributes control options:
project=PROJECT identifier of the target project
+ project_from_subaddress=ADDR
+ select project from subaddress of ADDR found
+ in To, Cc, Bcc headers
status=STATUS name of the target status
tracker=TRACKER name of the target tracker
category=CATEGORY name of the target category