Small bug fix to function isActivationAState(), which was similar in nature to the bug that Tim found with the function isTendonElastic(). Thank you Tom for finding this one.
Small bug fix to function isActivationAState(), which was similar in nature to the bug that Tim found with the function isTendonElastic(). Thank you Tom for finding this one.

git-svn-id: 9e047e1e624cce0a2485e750063112e834f85522@7881 fc29be9c-2cb0-420d-b520-73dbd18add6e

opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core