* Re-enable devenv dashboard validation
* Open up dashboard schema composition points
* Introduce composition space at front of scuemata
* Refactor go code to use new composition structure
* Bunch of small cleanups in dashboard.cue
* Enable both base and dist tests of devenv
* Get rid of obsolete CUE loading hacks
* Skip weird failures on these tests
Really don't seem to be testing for what we intend them to be testing
for.
