Feature/disable subscriptions

[androndo]

PR Summary

Autodisable subs if contact broken.

Closes #614

[coveralls]

Coverage decreased (-0.2%) to 73.665% when pulling b0ec737 on feature/disable_subscriptions into 9cb9c03 on master.

[codecov-commenter]

Codecov Report

Merging #617 (88b9266) into master (1f1d72e) will decrease coverage by 0.20%.
The diff coverage is 21.42%.

❗ Current head 88b9266 differs from pull request most recent head 330fd0e. Consider uploading reports for the commit 330fd0e to get more accurate results

@@            Coverage Diff             @@
##           master     #617      +/-   ##
==========================================
- Coverage   69.25%   69.05%   -0.21%     
==========================================
  Files         170      170              
  Lines        7624     7652      +28     
==========================================
+ Hits         5280     5284       +4     
- Misses       2010     2031      +21     
- Partials      334      337       +3     

Impacted Files	Coverage Δ
notifier/notifier.go	64.95% <21.42%> (-13.70%)	⬇️
database/redis/database_dialer.go	45.83% <0.00%> (-2.78%)	⬇️

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