Update pre_1.sh

Change the git clone to use https rather than git:// so that another port is not required for restricted outbound configurations.
Merge pull request #28 from ablundgren/patch-1

use https: rather than git:
matched to pull requests
Modify gpg call to use port 80

Change gpg call to use port 80 rather than default to reduce required outbound ports in a locked down environment.
Merge pull request #31 from ablundgren/2.4

change gpg calls to use port 80