Set the index name and version no matter what then overwrite if the user specifies to. Fixes #209
Demo: listen for connections on any address, rather than just localhost

Otherwise the Vagrant VM doesn't forward things right
Update defaults to reflect our minimum requirements, default to loading a dataset
Merge pull request #217 from cmaloney/demo-updates

Demo: listen for connections on any address, rather than just localhost
Merge pull request #213 from cmaloney/issue-209

Set the index name and version no matter what then overwrite if the user specifies to. Fixes #209
Add missing {}
vexing parse...
Remove unnecessary template<>
Add needed std::
Remove mismatched struct / class