Use Vxa's ICollection adapter protocol by default
Use Vxa's ICollection adapter protocol by default

Because the Vxa ICollection protocol is important to the performance of
external calls, enable it by default _unless_ the environment variable
'VxaNoICE' is set.

VisionAerie/vision,MichaelJCaruso/vision,vision-dbms/vision,c-kuhlman/vision,vision-dbms/vision,MichaelJCaruso/vision,c-kuhlman/vision,vision-dbms/vision,c-kuhlman/vision,vision-dbms/vision,vision-dbms/vision,MichaelJCaruso/vision,MichaelJCaruso/vision,VisionAerie/vision,vision-dbms/vision,VisionAerie/vision,MichaelJCaruso/vision,VisionAerie/vision,MichaelJCaruso/vision,c-kuhlman/vision,VisionAerie/vision,c-kuhlman/vision,VisionAerie/vision,VisionAerie/vision