add coverage
Update walkthrough conf files to reflect 1.2.x syntax changes
make comment clearer
Merge pull request #667 from logstash/doc-fix

Update walkthrough conf files to reflect 1.2.x syntax changes
don't let travis build jars
fetch geoip DB before tests
Merge branch 'filter-tests' into travis
rspec wasn't in PATH, adding --debug flag to jvm args
Merge pull request #668 from logstash/travis

Add in support for coverage reports.
improve coverage reporting [ci skip]
Merge pull request #669 from logstash/travis

Filter when running coverage
Merge git://github.com/logstash/logstash