Improving error-handling on front.
Merge pull request #791 from cschroed-usgs/CCH-1099

Improving error-handling on front.
checkpointing
Adding subtree support.
Merge pull request #792 from cschroed-usgs/CCH-1112

Cch 1112
Back of card now loading from very top uber item instead of from the item that the user is coming in with
Merge pull request #793 from isuftin/master

Back of card now loading from very top uber item instead of from the item that the user is coming in with
Legend looking a bit better
A couple more touches to the print view
Merge pull request #794 from isuftin/print-update

A few more updates to how the print view looks
Merge branch 'master' into legend-update