[WIP] JBDS-4470 Load configuration from remote repository

[dgolovin]

Unsolved issues for this PR are:

• CWE-502 - there should be input file verification, that it is coming from trusted source
• Installer should support not only configuration download (see above) but also update for installer itself to be able to deliver latest changes in installation process (if any) for new/updated components

[codecov-io]

Codecov Report

Merging #811 into master will decrease coverage by 6.14%. The diff coverage is 54.02%.

@@            Coverage Diff             @@
##           master     #811      +/-   ##
==========================================
- Coverage   97.73%   91.58%   -6.15%     
==========================================
  Files          35       35              
  Lines        3085     3340     +255     
  Branches      258      468     +210     
==========================================
+ Hits         3015     3059      +44     
- Misses         70      275     +205     
- Partials        0        6       +6

Impacted Files	Coverage Δ
browser/pages/confirm/controller.js	52.84% <48%> (-46.05%)	:arrow_down:
browser/services/data.js	96.24% <91.66%> (-1.58%)	:arrow_down:
browser/services/componentLoader.js	77.86% <0%> (-22.14%)	:arrow_down:
browser/model/jbosseap.js	85.71% <0%> (-14.29%)	:arrow_down:
browser/model/kompose.js	86.27% <0%> (-13.73%)	:arrow_down:
browser/model/jbossfusekaraf.js	87.32% <0%> (-12.68%)	:arrow_down:
browser/model/hyperv.js	91.66% <0%> (-8.34%)	:arrow_down:
browser/model/cdk.js	93.79% <0%> (-6.21%)	:arrow_down:
browser/model/jbossfuse.js	94.4% <0%> (-5.6%)	:arrow_down:
... and 22 more

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