RFR: 1813: URLs printed by Skara should have ".git" at the end of the repo name [v2]

[Zhao Song]

> In this patch, `.git` is added to the URLs printed by Skara.

Zhao Song has updated the pull request incrementally with one additional commit since the last revision:

  add method HostedRepository#remoteUrl

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Changes:
  - all: https://git.openjdk.org/skara/pull/1467/files
  - new: https://git.openjdk.org/skara/pull/1467/files/4606f347..3200f967

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=skara&pr=1467&range=01
 - incr: https://webrevs.openjdk.org/?repo=skara&pr=1467&range=00-01

  Stats: 27 lines in 6 files changed: 24 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/skara/pull/1467.diff
  Fetch: git fetch https://git.openjdk.org/skara pull/1467/head:pull/1467

PR: https://git.openjdk.org/skara/pull/1467