GPII-667 -  PCP and PMT should only send to the GPII server preferences tweaked by the user 

Link to JIRA: http://issues.gpii.net/browse/GPII-667
The need for this came up after a comment related to GPII-526,
http://issues.gpii.net/browse/GPII-526?focusedCommentId=11771&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-11771