creating common var file for common pkgs
default edx_sandbox config does not launch instance
removing edx_sandbox in playbooks/ dir
creating generic edx_sandbox
changing host to localhost
adding sandboc_custom var file
lowercase
adding sandbox_custom in var_files for edx_sandbox.yml
var_files -> vars_files
adding defaults
attempting to create defaults
different scheme for defaults
updating comments for edx_sandbox
updating comments for the sandbox_custom var file
moving custom variables to the default var definitions
removing sandbox_custom because it's now included in the edxapp role
configuration to configure
Merge pull request #156 from edx/jarv/single-instance-fixes

Jarv/single instance fixes