Package updates, security fixes, and performance optimizations

[dgautsch]

Changes

• Upgrading out of date packages and security vulnerabilities
• Changing minifier for webpack to terser.
• Fixed package unit tests failing when redis unavailable
• adding a package-lock file

[codecov]

Codecov Report

Merging #137 into master will increase coverage by 0.91%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master    #137      +/-   ##
=========================================
+ Coverage   85.98%   86.9%   +0.91%     
=========================================
  Files          30      29       -1     
  Lines         521     481      -40     
=========================================
- Hits          448     418      -30     
+ Misses         73      63      -10

Impacted Files	Coverage Δ
lib/storage/s3.js

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