appsdk-bump-app-catalog 501 bumping sdk to 2010-6888543

sdk commit: RallySoftware/appsdk@4a0d39cfdcb9602a5f3845a8f6b23e9889b1a428
author: Matt Greer and Will Klein
message: S65487 -- Ext4Handler: fix for a client metrics related error from users
appsdk-bump-app-catalog 502 bumping sdk to 2012-df8921b

sdk commit: RallySoftware/appsdk@df8921bdc756d597320f865b64b668367768bc3b
author: Alan Hensel
message: S62973 - Fixed attachment updates in EDP when adding images to RichTextEditor fields.
appsdk-bump-app-catalog 503 bumping sdk to 2013-55a2ef8

sdk commit: RallySoftware/appsdk@55a2ef87a12fecd6a67d1f7e6d1bd79fcd0a750b
author: Steven Boles
message: S64711 Implemented testcase picker for defect in edp.
S64698: Full height display on PI Kanban Page