Add git-open - a script to open a remote's URL in a browser

diff --git a/git-open b/git-open
new file mode 100755 (executable)
index 0000000..ab70471
--- /dev/null
+++ b/git-open
@@ -0,0 +1,2 @@
+#! /bin/sh
+exec webbrowser -n "`git config --get remote.$1.url`"