Added makefiles

genkey.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+# Yes, I'm paranoid!
+openssl genrsa 4096 | openssl pkcs8 -topk8 -nocrypt -out key.pem

make.cmd

@@ -0,0 +1,2 @@
+#!/bin/sh
+chrome.exe --pack-extension=src --pack-extension-key=key.pem

make.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+google-chrome --pack-extension=src --pack-extension-key=key.pem
+
+# rename output file
+mv src.crx gplusblacklist.crx
+
+# remove Chrome garbage
+if [ -f libpeerconnection.log ]; then
+    rm libpeerconnection.log
+fi