Sync with Toyplot API changes.
Merge branch 'master' of github.com:sandialabs/slycat
Add Pillow to the server install instructions.
Add missing jpeg dependency.
Update the darray API to support cached attribute statistics, computed on-demand.
Merge branch 'master' of github.com:sandialabs/slycat
Add new API to retrieve model array attribute statistics.
Cleanup / document server ssh functionality.
Add some documentation for our testing framework.
Documentation cleanup.
Update slycat.web.server.ssh to make locking easier.
Add documentation on how we build the documentation.
Checkpoint work on model locking issues.
Link documentation to the new virtual machine image.
Merge branch 'master' into parameter-image-model