Add LFS control

[dsm-kb]

Add ability to turn LFS on / off for repo

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[codecov]

Codecov Report

Merging #2429 (df9431b) into master (3a432d6) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #2429   +/-   ##
=======================================
  Coverage   98.06%   98.07%           
=======================================
  Files         120      121    +1     
  Lines       10558    10582   +24     
=======================================
+ Hits        10354    10378   +24     
  Misses        140      140           
  Partials       64       64           

Impacted Files	Coverage Δ
github/repos_lfs.go	100.00% <100.00%> (ø)

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[gmlewis]

Thank you, @dsm-kb !
Just a few minor tweaks, please, then we should be ready for a second LGTM before merging.

[gmlewis]

Sorry I missed a couple minor nits.

[gmlewis]

Thank you, @dsm-kb !
LGTM.

Awaiting second LGTM from any other contributor to this repo before merging.

[dsm-kb]

Thank you @gmlewis for the LGTM :-)

[raynigon]

LGTM

@dsm-kb For ypur next PR it would be nice, if you could explain in one or two sentences what you want to do in the PR description. Makes the review a bit easier :)

[gmlewis]

Thank you, @raynigon !
Merged.