renaming storage_base_dir to data_base_dir
app_base_dir and data_base_dir changed to app_dir and data_dir
consolidates and refactor common role
cleaning up edxapp, use ruby role
gh_users list
removing mongo relocation in edxlocal (soon to be deprecated)
variable naming, using www-data as web user
Merge remote-tracking branch 'origin' into jarv/common-refactor
updating plays that manage the json files to use new directory structure
variable naming consistency
updating naming convention for handlers
resolving merge conflicts, updating from master
adding ENGINE back
moving workaround before syncdb
updating perms on json files
updating task labels on edxapp, static root directory for nginx
updating staticfile dir
adding edxapp tag for task, changing perms for edxapp dirs
formatting
venv_dir -> edxapp_venv_dir