collectors/process/process      - don't report yourself. include pid metric. debug output

collectors/process/README.md    - docs for matching, pid, command array
collectors/process/process.json - example duck, anchoring
collectors/process/process - clarify wordery

cnv -> convert
h   -> row
inf -> info

add lambdas for scopes - beats tap()
CHANGELOG.md,version.rb - bump to 0.4.8
Merge pull request #44 from ewilhelm/process-features

collectors/process  - don't report yourself, +pid metric, docs