gpu-enable functions
Fixed issue with vectorN calling the wrong vector_dataN constructor
gpu-enable more functions, but not stream inserters and extractors
Merge remote-tracking branch 'upstream/develop' into gpu-enabled-2
gpu-enable vector assign
Fixed test to work with an explicit operator bool
final gpu-enabling tweaks
Merge remote-tracking branch 'upstream/develop' into gpu-enabled-2
Merge pull request #2 from ericniebler/gpu-enabled-2

Add function annotations necessary to run Fusion on GPUs
Merge branch 'origin/develop'