Create the delegates for the pem file location
Add the ability to update the coredata model
Accept pem file location and fix error in describing ec2 instances
Alphabetize instances in menu
Remove the ability to reboot, stop, terminate instances
Create ssh user preference and get the connect with pem file working
Merge pull request #1 from bufferapp/task/enable-pem-file-support

Task/enable pem file support