Update docs

Makefile

@@ -2,10 +2,10 @@
 # Copyright (C) 2020, UChicago Argonne, LLC. All rights reserved.
 # Released under the modified BSD license. See COPYING.md for more details.
 
-VERSION := 0.3
+VERSION := 0.4
 
 docs:
-	cd docs; julia --project=. make.jl; cd ..
+	cd docs; julia --project=. -e 'include("make.jl"); make()'; cd ..
 	rsync -avP --delete-after docs/build/ ../docs/$(VERSION)/
 	
 .PHONY: docs

docs/make.jl

@@ -31,7 +31,6 @@ function make()
                 "guides/problem.md",
                 "guides/format.md",
                 "guides/instances.md",
-                "guides/model.md",
             ],
             "api.md",
         ],

docs/src/tutorials/usage.jl

@@ -213,6 +213,6 @@ UnitCommitment.optimize!(model)
 
 solution = UnitCommitment.solution(model)
 
-# The solution for each stage can be accessed through `solution[scenario_name]`. For conveniance, this includes both first- and second-stage optimal decisions:
+# The solution for each scenario can be accessed through `solution[scenario_name]`. For conveniance, this includes both first- and second-stage optimal decisions:
 
 solution["s1"]