Add test script and some slight changes to vimrc

scripts/test.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+#
+# From Destroy All Software screencast #10, at:
+# http://destroyallsoftware.com/screencasts/catalog/fast-tests-with-and-without-rails
+#
+# Released under the MIT license: http://opensource.org/licenses/MIT
+#
+# Put this in the script/ directory of your Rails app, then run it with a spec
+# filename. If the spec uses spec_helper, it'll be run inside Bundler.
+# Otherwise, it'll be run directly with whatever `rspec` executable is on the
+# path.
+
+set -e
+
+need_rails=1
+
+if [ $# -gt 0 ]; then # we have args
+    filename=$1
+    # Remove trailing line numbers from filename, e.g. spec/my_spec.rb:33
+    grep_filename=`echo $1 | sed 's/:.*$//g'`
+
+    (set +e; grep -r '\bspec_helper\b' $grep_filename) > /dev/null
+    if [ $? -eq 1 ]; then # no match; we have a stand-alone spec
+        need_rails=''
+    fi
+else # we have no args
+    filename='spec'
+fi
+
+command='rspec'
+
+if [ $need_rails ]; then
+    command="ruby -S bundle exec $command"
+fi
+
+RAILS_ENV=test $command $filename