Adding the ability to not delete the passed in arrays.

For in-situ we don't want to delete the arrays automatically
since they may have been provided by something external that
wants to manage that memory.

Change-Id: I2bac90bca5f31e6ef5e29e6634511142d2e8ebaf
Fixed memory leak in test and added in comments for clarification.

Change-Id: I827eebf3c82316d640d8ad6636dea2cf6fed6fe1
Merge topic 'exodusarray_delete_option' into master

18b94cf5 Fixed memory leak in test and added in comments for clarification.
8e6b1a37 Adding the ability to not delete the passed in arrays.