Add python-email-utils-standalone recipe

This is a stripped down version of python-email without any
dependencies, for packages that just use email.utils.
diff --git a/common/recipes-devtools/python/python-email-utils-standalone.inc b/common/recipes-devtools/python/python-email-utils-standalone.inc
new file mode 100644
index 0000000..fe041d2
--- /dev/null
+++ b/common/recipes-devtools/python/python-email-utils-standalone.inc
@@ -0,0 +1,29 @@
+SUMMARY = "Standalone email package"
+HOMEPAGE = "http://www.python.org/sigs/email-sig"
+SECTION = "devel/python"
+LICENSE = "PSFv2"
+LIC_FILES_CHKSUM = "file://${WORKDIR}/LICENSE;md5=a5c8025e305fb49e6d405769358851f6"
+
+inherit allarch
+inherit setuptools
+
+S = "${WORKDIR}/${SRCNAME}-${PV}"
+PROVIDES += "${PN}-misc"
+PACKAGES += "${PN}-misc"
+RDPENDS_${PN} = "python-core"
+
+package_dir = "${PYTHON_SITEPACKAGES_DIR}/${SRCNAME}"
+
+SUMMARY_${PN}-misc = "${SRCNAME} misc"
+RDEPENDS_${PN}-misc = "${PN}"
+RCONFLICTS_${PN} = "python-email"
+FILES_${PN}-misc = "${PYTHON_SITEPACKAGES_DIR}"
+
+FILES_${PN} = " \
+        ${package_dir}/__init__.py* \
+        ${package_dir}/utils.py* \
+        ${package_dir}/_parseaddr.py* \
+        ${package_dir}/encoders.py* \
+        "
+
+BBCLASSEXTEND = "nativesdk"