Obey workflow for user and task tracker(s) on taskboard. fixes #735

move workflow state transition generator to a helper
allow tasks to change their story within the same project. fixes #785
provide visual feedback for disabled  drop-zones on taskboard
revert accitential comment, we need helper: clone for firefox
fiddle with timings and timeout for tests to work even with the jquery.sortable revert option
use mousedown/mouseup events, sortable cannot be disabled in dragStart
update test for cross-story drag
actually refresh the source sortable on mouse down to take disabled in effect.
capture mouseup outside of browser window,
use separate scope for server variables to reduce load on server
add negative task-drag test
cleanup and lint for taskboard.js
integrate redmine header (draft)

put setting into general section
fixup some style conflicts. we need to completely namespace that board.

body background white

move jumpbox into redmine header, more taskboard background style fixes

remove breadcrumbs if redmine header is on

fix font family conflict
put backlogs main menu before issues so new issue is near issues tab
redmine 2.2.1, 2.1.6, 1.4.6
travis - revert removal of 1.8.7-postgres
Merge pull request #791 from patrickatamaniuk/security/redmineupdate

Security/redmineupdate 2.2.1, 2.1.6, 1.4.6
Merge pull request #790 from patrickatamaniuk/ui/redmineheaders

Visual integration of backlogs and redmine: add option to show redmine headers in backlogs pages
Fixed Hudson Conflict.
Fixed jQuery include.
poorman's continuous integration