Our copyright were were mostly correct, but we inconsistently used (C) instead of (c) like the rest of the CK code. This PR fixes that (using lowercase c) and adds a missing copyright header to one file.
* Update copyright messages.
Copyright messages should no longer include a year. This PR updates all 38 source files to the new format.
* Switch to (C) from unicode copyright symbol.
The unicodein comments was causing compilation errors.
* Add InstanceTraits for DeviceGroupedConvFwdMultipleD_Wmma_CShuffle
* Add InstanceTraits for kernel_grouped_conv_fwd_dl_multiple_d
* A few small changes to fix broken instance traits.