#3660: isRendererEnabled action
#3682: output attributes of integer array types don't work
#3671: compound params are not initialized in KL
#3521: switching scenes leaves UI showing old content
#3641: splice control icon is blank
using pre-draw instead of post draw so that manipulators render over the top.
Merge branch 'rivera' of github.com:fabric-engine/SpliceMaya into rivera
Revert "using pre-draw instead of post draw so that manipulators render over the top."

This reverts commit 32c977c066fad2bdfd7d1b01f5ef3e73e81deb39.
#3710: avoid recursive compute
Merge pull request #21 from fabric-engine/issue-3671

#3671: compound params are not initialized in KL
Merge pull request #24 from fabric-engine/issue-3710

#3710: avoid recursive compute
Adding a couple of testing scripts.
adding another script.
Merge pull request #27 from fabric-engine/testingScripts

Adding a couple of testing scripts.
Merge branch 'rivera' into rivera-attribute-affects-fix
merging latest rivera