Pull out jenkins script into a checked in script

MANIFEST.in

@@ -20,4 +20,6 @@ recursive-include synapse/static *.gif
 recursive-include synapse/static *.html
 recursive-include synapse/static *.js
 
+exclude jenkins.sh
+
 prune demo/etc

jenkins.sh

+#!/bin/bash -eu
+
+export PYTHONDONTWRITEBYTECODE=yep
+TOXSUFFIX="--reporter=subunit | subunit-1to2 | subunit2junitxml --no-passthrough --output-to=results.xml" tox

tox.ini

@@ -6,10 +6,12 @@ deps =
     coverage
     Twisted>=15.1
     mock
+    python-subunit
+    junitxml
 setenv =
     PYTHONDONTWRITEBYTECODE = no_byte_code
 commands =
-    coverage run --source=synapse {envbindir}/trial {posargs:tests}
+    /bin/bash -c "coverage run --source=synapse {envbindir}/trial {posargs:tests} {env:TOXSUFFIX:}"
     coverage report -m
 
 [testenv:packaging]