Add run_tests.sh script here.

- Snatched from python-glanceclient repo.

.gitignore

@@ -5,3 +5,4 @@ dist/
 *.egg-info
 *.py[co]
 .DS_Store
+*.log

run_tests.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+function usage {
+  echo "Usage: $0 [OPTION]..."
+  echo "Run python-swiftclient's test suite(s)"
+  echo ""
+  echo "  -p, --pep8               Just run pep8"
+  echo "  -h, --help               Print this usage message"
+  echo ""
+  echo "This script is deprecated and currently retained for compatibility."
+  echo 'You can run the full test suite for multiple environments by running "tox".'
+  echo 'You can run tests for only python 2.7 by running "tox -e py27", or run only'
+  echo 'the pep8 tests with "tox -e pep8".'
+  exit
+}
+
+command -v tox > /dev/null 2>&1
+if [ $? -ne 0 ]; then
+  echo 'This script requires "tox" to run.'
+  echo 'You can install it with "pip install tox".'
+  exit 1; 
+fi
+
+just_pep8=0
+
+function process_option {
+  case "$1" in
+    -h|--help) usage;;
+    -p|--pep8) let just_pep8=1;;
+  esac
+}
+
+for arg in "$@"; do
+  process_option $arg
+done
+
+if [ $just_pep8 -eq 1 ]; then
+  tox -e pep8
+  exit
+fi
+
+tox -e py27 $toxargs 2>&1 | tee run_tests.err.log  || exit
+if [ ${PIPESTATUS[0]} -ne 0 ]; then
+  exit ${PIPESTATUS[0]}
+fi
+
+if [ -z "$toxargs" ]; then
+  tox -e pep8
+fi