jslint: explicit run of main fn
main: remove now-unused main fn
options: add --config option
linter: add test to exercise 'hasOwnProperty' branch
linter: new interface for mergeConfigs, takes 2 arrays
linter: small refactor merge fn
linter: loadConfig support user-specified config
example: trivial changes in testing
0.3.3
log: notes about changes, fix issue #88