Push message to mongoDB

[madawei2699]

Short description

save scrapy messages to mongoDB.

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (development@f7eb47b). Click here to learn what that means.
The diff coverage is 12.5%.

@@              Coverage Diff              @@
##             development   #1626   +/-   ##
=============================================
  Coverage               ?   9.81%           
  Complexity             ?     462           
=============================================
  Files                  ?     212           
  Lines                  ?   19451           
  Branches               ?    3579           
=============================================
  Hits                   ?    1910           
  Misses                 ?   17205           
  Partials               ?     336

Impacted Files	Coverage Δ	Complexity Δ
src/org/loklak/data/MongoDBManager.java	0% <0%> (ø)	0 <0> (?)
src/org/loklak/harvester/Post.java	31.81% <0%> (ø)	4 <0> (?)
src/org/loklak/data/DAO.java	4.14% <37.5%> (ø)	6 <0> (?)

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