get rid of node-unzip in favor of shell; it just doesn't work
fix source.processed attribute
fix error related to skip option
skiplines & headers should only be applied in convert.csv; after that, CSV will always have headers on line 1
add dependencies
Merge pull request #28 from sbma44/async-tests-refactor

Async tests refactor
working reprojection code
fix intermittent error with unfinished downloaded file passed to `unzip`
alter `npm test` command to properly run all tests
Merge branch 'unzip-fix' into character-encoding

Conflicts:
	index.js
merge
add support for reprojecting JSON; reenable indexing of directories of sources
test for encoding function
add reprojection test
minor syntax cleanup