Add a section about checking via Gitter first when open a new bug report issue, and keep the original check list.
Add a section about checking via Gitter first when open a new bug report issue, and keep the original check list.

numba/numba,IntelLabs/numba,IntelLabs/numba,numba/numba,seibert/numba,cpcloud/numba,IntelLabs/numba,IntelLabs/numba,cpcloud/numba,numba/numba,stuartarchibald/numba,seibert/numba,IntelLabs/numba,cpcloud/numba,seibert/numba,seibert/numba,cpcloud/numba,numba/numba,stuartarchibald/numba,stuartarchibald/numba,cpcloud/numba,numba/numba,stuartarchibald/numba,seibert/numba,stuartarchibald/numba