##### SUMMARY
`ansible-galaxy collection install` currently requires the user to specify an install path using the `-p` option. Galaxy currently generates and displays the CLI command for installing a collection. There is no way for Galaxy to determine a value for `-p`, and hard coding a default value into Galaxy makes no sense.

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
`ansible-galaxy`

##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes -->
```
ansible 2.10.0.dev0
  config file = /etc/ansible/ansible.cfg
  configured module search path = [u'/Users/chouseknecht/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules']
  ansible python module location = /Users/chouseknecht/projects/ansible/lib/ansible
  executable location = /Users/chouseknecht/.pyenv/versions/venv27/bin/ansible
  python version = 2.7.14 (default, Nov 14 2017, 23:24:24) [GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.38)]
```

return os.path.abspath(os.path.expanduser(os.path.expandvars(path)))
    @staticmethod
    def _get_skeleton_galaxy_yml(template_path, inject_data):
        with open(to_bytes(template_path, errors='surrogate_or_strict'), 'rb') as template_obj:
            meta_template = to_text(template_obj.read(), errors='surrogate_or_strict')
        galaxy_meta = get_collections_galaxy_meta_info()
        required_config = []
        optional_config = []
        for meta_entry in galaxy_meta:
            config_list = required_config if meta_entry.get('required', False) else optional_config
            value = inject_data.get(meta_entry['key'], None)
            if not value:
                meta_type = meta_entry.get('type', 'str')
                if meta_type == 'str':
                    value = ''
                elif meta_type == 'list':
                    value = []
                elif meta_type == 'dict':
                    value = {}
            meta_entry['value'] = value
            config_list.append(meta_entry)
        link_pattern = re.compile(r"L\(([^)]+),\s+([^)]+)\)")
        const_pattern = re.compile(r"C\(([^)]+)\)")
        def comment_ify(v):