removed Implicit.global import
removed 2.10 support because scala-logging 3.1.0 requires 2.11 and it's much nicer..
went back to scalalogging 2.1.2 for the sake of 2.10 compatability
Merge branch 'develop'

Conflicts:
	src/main/scala/com/tactix4/t4xmlrpc/XmlRpcClient.scala