work in progress
delete works and mask works
cleanup
fmt
updating sync test
Merge pull request #82 from nikhan/daemon

no more per-block http handlers (using globs now), delete works, mask works.
added invert rule to filter
some helper functions
initial draft of the timeseries blocks
first stabs at timeseries and histogram
histogram block is good for now
for snakes
Starting to remove simplejson dependencies