Add numblr/glaciertools - Bash scripts for multipart uploads to Glacier

[numblr]

Why is this awesome?

The included bash scripts provide an easy way to upload large files directly from the command line to Glacier. If you have the aws-cli installed and setup they require only a minimal set of additional dependencies (openssl and GNU Parallel) and therefore run with almost no additional setup on Linux and OS X.

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[codecov-io]

Codecov Report

Merging #170 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #170   +/-   ##
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  Coverage   96.59%   96.59%           
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  Files           3        3           
  Lines          88       88           
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  Hits           85       85           
  Misses          3        3