Tons of changes. See below.

- Fixed lots of bugs in the new special order syste
- Upgraded to jquery 1.11 and jquery ui 1.10
- Added instructions for special order system
header.html updates

- Links to new jquery
- Includes link to fannie page header
Special order form handles difficult edge case

The edge case was if a user added a lot of empty rows and
then inserted a valid item in the final row. The form has to
be able to "prune" the empty rows before saving any data. It
now successfully does this.
Removed unnecessary line from create_special_order.php
Cleaned up the duplicate ajax autocomplete search scripts in
specialorders:
Finished cleanup of specialorder autocomplete files
Fixed bugs in special order and search is now functional
A lot of changes to special order system
Rolling back all changes post 1b95bb707c00e6d4a9a8a647397b549a2be29074

Rolling back all changes that occurred after commit
1b95bb707c00e6d4a9a8a647397b549a2be29074.

Changes instead will be applied when we merge with special_order branch
Merge branch 'special_orders'

Conflicts:
	pos/fannie/specialorders/order/ajax/deleteExtraItems.php