template; main; load order

ADDED Automatic host configuration if none is present, template:
`template_host.zsh`¬
ADDED new line at end of `lib_plugins.zsh`¬
¬
CHANGED Refactor the `main.zsh`,
now the load order of plugins, modules, host config, user profiles
makes more sense.¬
CHANGES in plugins `ssh` and `rvm`