Add GHES 3.x compatibility

[stoe]

• Use GHES 3.x syntax for Git requests
• Use GHES 3.x syntax for Git protocol usage
• Use GHES 3.x syntax for failed webhooks

Also addresses review comments in https://github.com/Autodesk/hubble/pull/228

[stoe]

@svasek, would love your feedback on this.

I've I've been approaching this the same way you did in #228, but added backwards compatibility checks.

[toddocon]

I just updated to 3.1.5 and am trying your changes in my environment.

I also notice that the Organizations > Owners report and Repositories > Size report are no longer working on 3.x.

[svasek]

I just updated to 3.1.5 and am trying your changes in my environment.

I also notice that the Organizations > Owners report and Repositories > Size report are no longer working on 3.x.

I found there is a problem with all reports based on ghe-console which executes code directly in rails console.

[stoe]

I found there is a problem with all reports based on ghe-console which executes code directly in rails console.

Good catch. I might have something to address that, but might not be able to get to it this week or next.

[toddocon]

You have a typo in failed-webhooks.sh. There is a ; missing before the then on line 19 as in:

if ghe_greater_equal "3.0.0"; then

After adding the ; I was able to get the script to work on my remote collection machine talking to GHES 3.1.5.

[stoe]

Close in favour of https://github.com/Autodesk/hubble/pull/246