Pass exclusives up in WithLegacyResources.
Add a jvm_app target to pingpong to work around issues/160
Merge pull request #159 from wfarner/wfarner/resources_exclusives

Pass exclusives up in WithLegacyResources.
Merge pull request #161 from wfarner/wfarner/pingpong_app_target

Add a jvm_app target to pingpong example to work around issues/160
Add a TODO explaining use of app target in pingpong, update README.
Merge pull request #162 from wfarner/wfarner/pingpong_todo

Add a TODO explaining use of app target in pingpong, update README.
WIP
Bugfix in AnnotationProcessor handling of exclusives.
Simplify NailgunTask.

Gets rid of the pidfile. Locates nailguns using find() in
all cases.
Merge remote-tracking branch 'twitter/master'
AnnotationProcessor bug was already fixed...
Make ng spawning thread-safe.
Merge branch 'master' into betterscala
WIP