Merge pull request #178 from keenlabs/fix/beta-bugs

Updates to Dataset row/column access methods
Disable s3 sync to /latest during beta period [ci skip]
Refactor core into pieces
Update build and debug track/query to use new core internals
Add README in src/core for new core instance methods
Move async + tracking into core, update Gruntfile.js, trim dead code
Remove project path from #url method for greater reuse
Add Keen.version, injected at build time
Merge pull request #179 from keenlabs/core-upgrade

Core upgrade
update highlighting
Merge pull request #180 from mhor/master

Update syntax highlighting
Add configure method to core, update async to work properly, trim tests