Updated Mappings to 2013.03 Amazon Linux AMI IDs
Point to Knowledge Tree repo rather than Stelligent repo.
JSON extension .json rather than .js
Save original web.xml before enabling security
Add support for KnowledgeTree UNIX userids.
Use https for cloning asgard-in-the-cloud
Merge pull request #2 from ktgit/master

Updated Mappings to 2013.03 Amazon Linux AMI IDs