icon upload
adding data stores page
Adding requests for toggled layers as 1 map layer
Updating geoserver-exts submodulee to bring in ysld label shield fix
trying to fix thumbnail on horizon
fixing occasional bug in copy bounds button
Included uri in workspace representation.
Added additional CRUD for workspace endpoint
Added workspace DELETE
Swap to integration test
Merge pull request #656 from jodygarnett/icon_upload

icon upload
Updated geoserver-exts submodule to bring in geogig api fix
Focusing on username field on login
Fixing layer editor on single layer style edit page.

- Simplified map configuration, removed dedicated map service
- Changed input to olmap directive
- Other cleanups, removing global window functions, etc...
Using element, rather than jquery wrapper
Moving images to app/images
Moving refresh logic to OLMap.refresh.
Added ability to override proxy settings
Layername -> Layer
Skipping .zip as part of artifact building, and calling correct publish task.

Fixes #633