Add note re suspend & resume to unit testing section
Merge pull request #560 from gyozadoc/patch-1373763148

Add note re suspend & resume to unit testing section
Document some gotchas found while going from TS 2 > 3 for BikeExchange
Merge pull request #563 from mipearson/upgrade-gotchas

Document some gotchas found while going from TS 2 > 3 for BikeExchange