Removed -E arg from buildenv

Author: Lispython

buildenv.sh

@@ -2,4 +2,4 @@
 virtualenv --python=python2.6 --clear venv
 source ./venv/bin/activate
 ./venv/bin/easy_install pip
-./venv/bin/pip install -E venv -r ./req.txt
+./venv/bin/pip install -r ./req.txt