Merge pull request #1 from coltfred/master

Current scala 2.11 version and explicit sbt version. Also add .leftValue.
Update README.md
adding bintray support, changing package name to org.typelevel
Update to SBT 0.13.7
Repackage into org.typelevel
Tests for Disjunction Matchers + some additional symbolic ones, and a
be-right-with-specific-element
Tests for Validation + new specific success matchers; cleaned up imports
Cleaned up some unneeded imports to drop masking warnings
Release 0.1.0
Release notes file