Add search layout to sync

[githubbob42]

Mingle Card: 1236 REST API doc for retrieving search layout metadata: 

• http://www.salesforce.com/us/developer/docs/api_rest/Content/dome_retrieve_search_layouts.htm
• http://www.salesforce.com/us/developer/docs/api_rest/index_Left.htm#CSHID=resources_search_layouts.htm|StartTopic=Content%2Fresources_search_layouts.htm|SkinName=webhelp

Note that the path "searchlayout" in the url is a typo; it should be "search/layout"

/services/data/v28.0/search/layout/?q=Price_Book_Item__c,Equipment__c,Contact

[githubbob42]

Story: #1030 Allow the user to change the display of the "Add Ticket Items" screen (Mingle)