chore; set up legacy / master doc generation

Makefile

@@ -2,7 +2,8 @@
 DOCS_ = $(shell find lib/ -name '*.js')
 DOCS = $(DOCS_:.js=.json)
 DOCFILE = docs/source/_docs
-STABLE_BRANCH = 3.8.x
+STABLE_BRANCH = master
+LEGACY_BRANCH = 3.8.x
 
 test:
 	@MONGOOSE_DISABLE_STABILITY_WARNING=1 ./node_modules/.bin/mocha $(T) --async-only test/*.test.js
@@ -13,10 +14,8 @@ test-short:
 test-long:
 	@MONGOOSE_DISABLE_STABILITY_WARNING=1 ./node_modules/.bin/mocha $(T) -g LONG --async-only test/**/*.test.js
 
-docs: ghpages merge_stable docclean gendocs
-docs_all: docs_unstable docs
-docs_from_current_branch: docclean gendocs
-docs_unstable: master docclean_unstable gendocs copytmp gitreset ghpages copyunstable
+docs: ghpages docclean gendocs
+docs_legacy: legacy docclean_legacy gendocs copytmp gitreset ghpages copylegacy
 
 gendocs: $(DOCFILE)
 
@@ -36,15 +35,15 @@ merge_stable:
 ghpages:
 	git checkout gh-pages
 
-master:
-	git checkout master
+legacy:
+	git checkout $(LEGACY_BRANCH)
 
 docclean:
 	rm -f ./docs/*.{1,html,json}
 	rm -f ./docs/source/_docs
 
-docclean_unstable:
-	rm -rf ./docs/unstable/*
+docclean_legacy:
+	rm -rf ./docs/$(LEGACY_BRANCH)/*
 	rm -f ./docs/source/_docs
 
 copytmp:
@@ -61,9 +60,9 @@ gitreset:
 	git checkout -- ./docs
 	git checkout -- ./index.html
 
-copyunstable:
-	mkdir -p ./docs/unstable
-	cp -R ./tmp/* ./docs/unstable/
+copylegacy:
+	mkdir -p ./docs/$(LEGACY_BRANCH)
+	cp -R ./tmp/* ./docs/$(LEGACY_BRANCH)/
 	rm -rf ./tmp
 
 .PHONY: test test-short test-long ghpages site docs docclean gendocs docs_from_master docs_unstable master copytmp copyunstable gitreset docclean_unstable