remove old xpcshell based tests (they are ported to mocha anyway)
organize tests into test/ only
Basic THISANDFUTURE implementation needs some timezone awareness / fixes
for duration calculations likely
optmization for addDuration
fix bug in the intent of subtractDate added test for it
browser build for RANGE=THISANDFUTURE support
Merge pull request #58 from lightsofapollo/this-and-future

RANGE=THISANDFUTURE implementation