Add build to towncrier commands

Author: kclowes

Makefile

@@ -48,7 +48,7 @@ docs: build-docs validate-docs
 
 validate-docs: build-docs
 	python newsfragments/validate_files.py
-	towncrier --draft
+	towncrier build --draft
 
 linux-docs: build-docs
 	readlink -f docs/_build/html/index.html
@@ -57,7 +57,7 @@ notes:
 	# Let UPCOMING_VERSION be the version that is used for the current bump
 	$(eval UPCOMING_VERSION=$(shell bumpversion $(bump) --dry-run --list | grep new_version= | sed 's/new_version=//g'))
 	# Now generate the release notes to have them included in the release commit
-	towncrier --yes --version $(UPCOMING_VERSION)
+	towncrier build --yes --version $(UPCOMING_VERSION)
 	# Before we bump the version, make sure that the towncrier-generated docs will build
 	make build-docs
 	git commit -m "Compile release notes"

docs/contributing.rst

@@ -465,7 +465,7 @@ Preview The Release Notes
 
 .. code:: sh
 
-   $ towncrier --draft
+   $ towncrier build --draft
 
 
 Compile The Release Notes