Added Eclipse project settings files to .gitignore
Remove throughput related methods
Added Counter interface
Use new Counter objects in MessageCounter
more possibilities for plugins
Merge pull request #2 from smasset/refactor-counters

Refactor counters
have message counters available
[maven-release-plugin] prepare release graylog2-plugin-0.10.5
[maven-release-plugin] prepare for next development iteration
added MessageGateway.totalMessageCount()
[maven-release-plugin] prepare release graylog2-plugin-0.10.6
[maven-release-plugin] prepare for next development iteration