Add issue templates

[maleadt]

And some functionality to simplify reporting: fixes #34.

[maleadt]

julia> CUDA.versioninfo()
CUDA toolkit 10.2.89, artifact installation
CUDA driver 11.0.0

Libraries: 
- CUBLAS: 10.2.2
- CURAND: 10.1.2
- CUFFT: 10.1.2
- CUSOLVER: 10.3.0
- CUSPARSE: 10.3.1
- CUTENSOR: 1.0.1
- CUDNN: 7.6.5
- CUPTI: 12.0.0

Packages:
- CUDA.jl: 1.0.2
- LLVM.jl: 1.5.2
- GPUCompiler.jl: 0.4.0
- GPUArrays.jl: 4.0.0
- Adapt.jl: 2.0.0

Toolchain:
- Julia: 1.5.0-beta1.0
- LLVM: 9.0.1
- PTX ISA support: 3.2, 4.0, 4.1, 4.2, 4.3, 5.0, 6.0, 6.1, 6.3, 6.4
- Device support: sm_35, sm_37, sm_50, sm_52, sm_53, sm_60, sm_61, sm_62, sm_70, sm_72, sm_75

1 device(s):
- Quadro RTX 5000 (14.251 GiB, sm_75)

[codecov]

Codecov Report

Merging #245 into master will increase coverage by 0.13%.
The diff coverage is 96.07%.

@@            Coverage Diff             @@
##           master     #245      +/-   ##
==========================================
+ Coverage   82.35%   82.49%   +0.13%     
==========================================
  Files         145      146       +1     
  Lines        9441     9545     +104     
==========================================
+ Hits         7775     7874      +99     
- Misses       1666     1671       +5     

Impacted Files	Coverage Δ
lib/cublas/wrappers.jl	93.02% <0.00%> (+0.54%)	⬆️
lib/cupti/CUPTI.jl	100.00% <ø> (ø)
test/cublas.jl	91.66% <ø> (ø)
test/cudnn.jl	26.66% <ø> (ø)
test/cufft.jl	90.22% <ø> (ø)
test/curand.jl	100.00% <ø> (ø)
test/cusparse.jl	89.45% <ø> (ø)
test/cutensor.jl	98.76% <ø> (+0.02%)	⬆️
deps/bindeps.jl	81.93% <80.00%> (-0.07%)	⬇️
lib/cupti/wrappers.jl	100.00% <100.00%> (ø)
... and 18 more

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