Merge pull request #1 from kterry/devel

Looks good to me. Tested on IPSL test fed.

1. The host and port configured by (--openid, --oid) command never will be overwritten. Unless you used the --pshost and --psport commands.

2.  The host and port configured by  .MyProxyLogon file never will be overwritten. Unless you used the --pshost and --psport commands.
- Rename class GSSICredentialConnection to CredentialConnection
MyProxy client lib changed to MyProxyLogon
deleted src/esg/security/myproxy/GSSICredentialConnection.java
test renamed and changed
Create README.md
Update README.md
new getcert.jar generated added to github
Merge branch 'myproxylogon-getcert' of https://github.com/kterry/esgf-getcert into myproxylogon-getcert
Merge pull request #3 from kterry/myproxylogon-getcert

Changes made by KTerry to allow for usage of openjdk