Updated plugin build to use the same version of core as the Maven build.
JBEHAVE-957:  Support all unicode letters in pattern placeholder names.
JBEHAVE-999:  Upgraded to Kepler and jbehave-core 3.9.1
JBEHAVE-999:  Updated .classpath
JBEHAVE-1000:  Added support for alternative Narrative syntax.
Merge pull request #3 from jbehave/master

update from upstream