Tell deploy script to compile the nunjucks templates. Fix bug 960104.

Through the makefile, it'll install any necessary npm packages first. None of the packages are needed in production; we just need them to build the templates.

deploy.py

@@ -181,6 +181,8 @@ def build(self, rev):
                 python = join(new_build_path, VENV_NAME, 'bin', 'python')
                 run('{python} ./peep.py install -r requirements.txt',
                     python=python)
+                # Compile nunjucks templates:
+                run('make templates')
                 # Quiet the complaint about there being no matches for *.so:
                 run('{python} setup.py install 2>/dev/null', python=python)