Lets increment/set badges on all _Installations

[flovilmart]

We're gonna be working on supporting the badge property on android devices (through the GCM payload) for AmpMe, and we need to start incrementing/settings those values.

[flovilmart]

We ran the test against our test android devices and it's possible to receive read the badge value there:

Bundle[{google.sent_time=1498679154373, push_id=x3jKNilLMw, data=
{"badge":5, "alert": "Yo!"}
, from=152312640838, time=2017-06-28T19:45:54.170Z, google.message_id=0:1498679154381204%cf4ebc7ff9fd7ecd, mp_icnm=icn_notification, parseWakeLockId=1}]

[codecov]

Codecov Report

Merging #3970 into master will decrease coverage by 0.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #3970      +/-   ##
==========================================
- Coverage   90.58%   90.57%   -0.02%     
==========================================
  Files         115      115              
  Lines        7788     7786       -2     
==========================================
- Hits         7055     7052       -3     
- Misses        733      734       +1

Impacted Files	Coverage Δ
src/Controllers/PushController.js	95.45% <ø> (-0.07%)	⬇️
...dapters/Storage/Postgres/PostgresStorageAdapter.js	96.16% <100%> (ø)	⬆️
src/Push/PushWorker.js	92.45% <100%> (-2.1%)	⬇️
src/RestWrite.js	93.29% <0%> (-0.2%)	⬇️
src/Adapters/Auth/meetup.js	89.47% <0%> (+5.26%)	⬆️

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[flovilmart]

@acinader, what do you think?