DRC: no unconnected inputs
Merge branch 'master' into drc-unconnected-inputs
Check: no unconnected inputs
Fixes #119 for the purposes of the final demo.
Merge branch 'master' into drc-unconnected-inputs

Conflicts:
	src/main/java/org/manifold/compiler/NodeValue.java
	src/main/java/org/manifold/compiler/middle/Schematic.java
Merge pull request #132 from mtrberzi/drc-unconnected-inputs

Check: no unconnected inputs