Update default_settings.py and rename SCRAPYD_LOGS_DIR

[my8100]

No description provided.

[pep8speaks]

Hello @my8100! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file scrapydweb/default_settings.py:

Line 66:121: E501 line too long (158 > 120 characters)

• In the file scrapydweb/views/files/log.py:

Line 68:110: E226 missing whitespace around arithmetic operator

[coveralls]

Pull Request Test Coverage Report for Build 195

• 25 of 28 (89.29%) changed or added relevant lines in 7 files are covered.
• 36 unchanged lines in 5 files lost coverage.
• Overall coverage decreased (-0.2%) to 87.598%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
scrapydweb/run.py	0	1	0.0%
scrapydweb/views/baseview.py	3	4	75.0%
scrapydweb/views/dashboard/jobs.py	1	2	50.0%

Files with Coverage Reduction	New Missed Lines	%
scrapydweb/common.py	1	82.26%
scrapydweb/views/operations/deploy.py	1	88.74%
scrapydweb/views/dashboard/jobs.py	2	91.72%
scrapydweb/vars.py	4	91.3%
scrapydweb/utils/setup_database.py	28	43.0%

Totals
Change from base Build 184:	-0.2%
Covered Lines:	3341
Relevant Lines:	3814

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💛 - Coveralls