SCMS Implementation

[ria18405]

Implementing Social Currency Metric System in Grimoirelabs for GSoC'20
This PR is in extension to the PR at #887

For testing purposes, use projects.json as:

{
    "chaoss": {
        "scmsgithub": [
            "https://github.com/chaoss/grimoirelab-perceval",
            "https://github.com/chaoss/grimoirelab-elk"
        ],
         "scmspipermail": [
            "https://lists.linuxfoundation.org/pipermail/grimoirelab-discussions/"
        ],
         "scmssupybot": [
            "irc://chat.freenode.net/chaoss-community /irclogs/freenode/#chaoss-community",
            "irc://chat.freenode.net/grimoirelab /irclogs/freenode/#grimoirelab"
        ]
    }
}

Setup.cfg :

[scmspipermail]
raw_index = scmspipermail_chaoss_raw
enriched_index = scmspipermail_chaoss_enriched
no-ssl-verify = true
studies = [enrich_extra_data:scms]

[scmsgithub]
raw_index = scms_github_issues_chaoss_raw
enriched_index = scms_github_issues_chaoss_enriched
api-token = xxxx
sleep-for-rate = true
no-archive = true
category = issue
sleep-time = 300
studies = [enrich_extra_data:scms]

[scmssupybot]
raw_index = data_irc_raw
enriched_index = supybot_enriched
studies = [enrich_extra_data:scms]

[enrich_extra_data:scms]
json_url = https://gist.githubusercontent.com/ria18405/630346bac7856658fd19ed63bce4d9c0/raw/61d3afc8aab75219f8ab67218ec377a641cd664b/try.json

SCMS Enrichers and related tests have been added.

[coveralls]

Pull Request Test Coverage Report for Build 2393

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 111 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+0.1%) to 82.271%

---

Files with Coverage Reduction	New Missed Lines	%
/home/travis/build/chaoss/grimoirelab-elk/grimoire_elk/utils.py	52	66.42%
/home/travis/build/chaoss/grimoirelab-elk/grimoire_elk/enriched/enrich.py	59	73.67%

Totals
Change from base Build 2384:	0.1%
Covered Lines:	8724
Relevant Lines:	10604

---

💛 - Coveralls

[sduenas]

Closing this PR due to inactivity.