Enhanced import/export in the playground and directory bookmarking
Merge pull request #1381 from priand/playground2

Enhanced import/export in the playground and directory bookmarking
Fixed an NPE
Merge pull request #1382 from priand/playground2

Fixed an NPE
Remove hard coded 'watson' endpoint
Fixed a bad copy/paste in the URL
Playground automatically expand a category when assigned from the hash
Merge pull request #1383 from priand/playground2

Remove hard coded 'watson' endpoint
Merge remote-tracking branch 'origin/master' into java-api-common-urlbuilder