Remove carriage return characters when loading configuration files.

[JustinPihony]

This is to mimic sbt/sbt-launcher-package#166 Without the fix the following yields Invalid initial heap size: -Xms512M

javaOptions in Universal ++= Seq(
"-J-Xms512M",
"-J-Xmx2G",
"-J-server" 
)

Expected behaviour

Do not throw exception

Actual behaviour

Invalid initial heap size: -Xms512M
Error: Could not create the Java Virtual Machine
Error: A fatal exception has occurred. Program will exit.

Information

https://github.com/sbt/sbt-native-packager/blob/master/src/main/resources/com/typesafe/sbt/packager/archetypes/scripts/bash-template#L266 should be

cat "$1" | sed '/^\#/d;s/\r$//'

[muuki88]

Thanks a lot for your detailed bug report :) Sorry for replying so late.

Would you like to provide this fix as a pull request?