Output from packager appends extra new line characters

[dlebu]

Example log:

[10:52:33 AM] <START> Building Dependency Graph

[10:52:33 AM] <START> Crawling File System

[Hot Module Replacement] Server listening on /hot


React packager ready.


######### Packager started. ##########
######### Executing command: react-native run-android ##########
JS server already running.

Building and installing the app on the device (cd android && ./gradlew installDebug)...

Downloading https://services.gradle.org/distributions/gradle-2.4-all.zip


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