Revert "Merge pull request #82 from non/milestones/1.0.0-M6.x"

This reverts commit 500dcc5c1f18d6e58b7be556812d18607263e54b, reversing
changes made to ecbb38b406423dba912870fd627747b28bdc957b.
Pulled in parseUnsafe from milestones/1.0.0-Mx, updated Akka to current stable release in the 2.0.x
branch. Updated version for M6.5 release.