Added build instructions to README.md
Add support for rerunning failed tests.  Released as 1.0-RC1.
check testsFile files for existence before adding to parameter list
Merge pull request #1 from cheeseng/build-instructions

Build Instructions
Merge pull request #2 from gcberger/1.0-RC1

Add support for rerunning failed tests.  Released as 1.0-RC1.
Merge branch '1.0-RC2' of https://github.com/gcberger/scalatest-maven-plugin
Bump version to 1.0.
Bumped version numbers in pom.xml, and added some developer names.