Merge branch 'enhancements'

Conflicts:
	src/filesystems/node-filesystem.js
	src/js/indri.location.renderers.js
Merge branch 'master' of github.com:ikayzo/indri

Conflicts:
	src/filesystems/node-filesystem.js
	src/js/indri.location.renderers.js
Added fullUrl to the fsItems returned by the server.  Now uses the modified date as the creation date (due to limitations in the S3 API).
Merge pull request #70 from ikayzo/s3_fix

S3 fix