Finalized template control class
Completed rewrite of init command
Improved exception handling in init command
Completed rewrite of add command
Improved argument handling for CLI interface
Add YAML wrapper allowing conf strings to be used in YAML source files
Updated core.template to using CbYaml for loading template layouts
Master template refurbish: new files fs.yml, os.yml and service.yml, deprecating system.yml
Master template refurbish 2: move to new config string syntax in template's __init__.yml
Updated API documentation for recent changes (docs and inline docs)
Excluded ECDSA keygen tests on OS X due to problems with ssh-keygen shipped with OS X.
Excluded missing ECDSA keygen test on OS X
Removed deprecated attributes from controlbeast.ssh.keygen.CbSSHKeygen
Renamed `add` command to  `new`
Add feature definition section to developer's guide