submit internal metrics as well

this includes simple metrics2.0 support for counters
more cleanup after removing weird bitly hack
make DEBUG messages that are about which lines we submit easier to filter
make internal metrics metrics-2.0 compliant

* add target_types everywhere
* process counts to update target_type
* ordered nodes where possible

while i'm at it: refactor parseMessage to be less redundant
fix proper metric adjustment for metric 2.0 counters
ability for instance to be whatever hostname is, also confirm it
bugfix: always reset data on error

buckets *should* be reset at each flushInterval,
so that it isn't errorously included in the next calculations
which would lead to incorrect data.
irrespective of metric type
bugfix: properly clear counters

not all counters were properly reset due to variable shadowing bug,
but just resetting the map should be way more efficient anyway
update .gitignore
note about etsy statsd deleteGauges
add upstart init script