fix #709 moved logback.xml to test classpath and put logback dependencies to test scope
Merge pull request #710 from francisdb/master

fix #709 moved logback.xml to test classpath and put logback dependencie...
Update README.md
play command has become the activator command

https://www.playframework.com/documentation/2.3.x/Highlights23
Merge pull request #723 from asosso/patch-1

play command has become the activator command
Merge remote-tracking branch 'upstream/master'
removed changes.