Upgrading to Scala 2.11

Making changes to be compliant with 2.11.2
Deprecated scala.text copied to this repository
Introduced hierarchy of memoization scopes and added default implicit
 NoScope which does not add memoizables to any scope
Switched to scalalogging + SLF4J with underlying LOG4J2
New version of ScalaMeter and corresponding benchmark changes
Update Scala version for Travis builds
Refactor reverse/member code

Make the code compliant to changes in feat/metadata branch
Merge branch 'develop' into feat/member

Reverse code removed from the branch
Conflicts:
	src/main/scala/scife/enumeration/reverse/dependent/Reverser.scala
Refactor member code

Make compliant for Scala 2.11
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