appsdk-bump-app-catalog 92 bumping sdk to 2630-1397c17

sdk commit: RallySoftware/appsdk@1397c17a2409c55c5cef449a36f892bf9f5590bc
author: Matt Parrish and Doug Diehnelt
message: Added respondwithString method to ajax stub
appsdk-bump-app-catalog 93 bumping sdk to 2631-96a3829

sdk commit: RallySoftware/appsdk@96a38291fa15d60e93c3a5dfc2ec217162c8897f
author: Robb Lee
message: S70138: Added new Model Factory and Proxy for use with search endpoint to enable use of TreeGrid on a new search page
S70208 - Add tests for ALM chart builder bridge