Fix for #45 Separate subprojects examples, rest and core. Due to this fix preceding #30 there is a circular dependency between core and examples (examples should only depend on core). Once this is fixed we can remove the examples dependency in core/build.sbt.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	build.sbt
	core/src/main/scala/org/apache/gearpump/scheduler/FifoScheduler.scala
	src/main/scala/org/apache/gearpump/scheduler/FifoScheduler.scala
	src/main/scala/org/apache/gearpump/scheduler/PriorityScheduler.scala
Move Hadoop References to examples - should not be needed in core
Fixes #58
Merge pull request #60 from kkasravi/master

Fix for #45