refactor config.js as es6 class

[msimerson]

• refactor config.js as es6 class
  • making this a good PR to read the diff with the -w option
• bump version
• use path.resolve instead of ./dir/file (portability)
• watch: recursive=true, fixes haraka/Haraka#2566
• permit retrieval of fully qualified path, fixes haraka/Haraka#2521

[codecov[bot]]

Codecov Report

Merging #46 into master will decrease coverage by 0.08%. The diff coverage is 94.36%.

@@            Coverage Diff             @@
##           master      #46      +/-   ##
==========================================
- Coverage   82.02%   81.94%   -0.09%     
==========================================
  Files           8        8              
  Lines         434      432       -2     
  Branches      126      126              
==========================================
- Hits          356      354       -2     
  Misses         78       78

Impacted Files	Coverage Δ
configfile.js	70.24% <100%> (ø)	:arrow_up:
config.js	90.9% <94.02%> (-0.21%)	:arrow_down:

---

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Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update 4ff14d6...c6afd4c. Read the comment docs.

[codecov[bot]]

Codecov Report

Merging #46 into master will decrease coverage by 0.08%. The diff coverage is 94.28%.

@@            Coverage Diff             @@
##           master      #46      +/-   ##
==========================================
- Coverage   82.02%   81.94%   -0.09%     
==========================================
  Files           8        8              
  Lines         434      432       -2     
  Branches      126      125       -1     
==========================================
- Hits          356      354       -2     
  Misses         78       78

Impacted Files	Coverage Δ
configfile.js	70.24% <100%> (ø)	:arrow_up:
config.js	90.9% <94.02%> (-0.21%)	:arrow_down:

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update 4ff14d6...b743672. Read the comment docs.