Bump version: 1.3.0 to 1.4.0

[my8100]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 306

• 35 of 44 (79.55%) changed or added relevant lines in 14 files are covered.
• 8 unchanged lines in 5 files lost coverage.
• Overall coverage increased (+0.3%) to 87.894%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
scrapydweb/views/dashboard/jobs.py	3	4	75.0%
scrapydweb/utils/poll.py	7	9	77.78%
scrapydweb/utils/scheduler.py	0	2	0.0%
scrapydweb/utils/send_email.py	1	5	20.0%

Files with Coverage Reduction	New Missed Lines	%
scrapydweb/common.py	1	82.26%
scrapydweb/utils/scheduler.py	1	85.29%
scrapydweb/utils/send_email.py	1	88.89%
scrapydweb/views/operations/deploy.py	1	88.74%
scrapydweb/vars.py	4	86.96%

Totals
Change from base Build 272:	0.3%
Covered Lines:	3514
Relevant Lines:	3998

---

💛 - Coveralls

[codecov]

Codecov Report

Merging #85 into master will decrease coverage by 0.09%.
The diff coverage is 79.54%.

@@            Coverage Diff            @@
##           master      #85     +/-   ##
=========================================
- Coverage   89.49%   89.39%   -0.1%     
=========================================
  Files          34       34             
  Lines        3997     3998      +1     
=========================================
- Hits         3577     3574      -3     
- Misses        420      424      +4

Impacted Files	Coverage Δ
scrapydweb/utils/scheduler.py	85.29% <0%> (ø)	⬆️
scrapydweb/utils/check_app_config.py	84.82% <100%> (+0.39%)	⬆️
scrapydweb/views/baseview.py	89.39% <100%> (ø)	⬆️
scrapydweb/__version__.py	100% <100%> (ø)	⬆️
scrapydweb/vars.py	92.75% <100%> (-5.8%)	⬇️
scrapydweb/views/utilities/send_text.py	100% <100%> (ø)	⬆️
scrapydweb/views/files/log.py	95.54% <100%> (+0.52%)	⬆️
scrapydweb/default_settings.py	100% <100%> (ø)	⬆️
scrapydweb/views/operations/execute_task.py	98.33% <100%> (ø)	⬆️
scrapydweb/views/operations/schedule.py	98.23% <100%> (ø)	⬆️
... and 9 more