<!--- Verify first that your feature was not already discussed on GitHub -->
<!--- Complete *all* sections as described, this form is processed automatically -->

##### SUMMARY
When I read the `copy` documentation, I couldn't work out what it meant.  Unfortunately, this meant it sounded like it might be a weird sex joke.

It doesn't sound like a big problem, but in an ideal world, I think we should prefer to avoid weird sex jokes in an alias for a parameter called `force`.

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
copy

##### ADDITIONAL INFORMATION
Issue search tells me "thirsty" was added as an option to the `get_url` module.  In that context, it is appropriate.  But in the context of the `copy` module, it does not make sense, because `copy` only works in the upload direction.

The first three pages of Google Search results (Ansible thirsty) show people using "thirsty" for downloads only, not uploads.  Similarly for GitHub code search (copy thirsty language:YAML).
- Only the file checksum (content) is taken into account when extracting files
  from the ISO image. If C(force=no), only checks the presence of the file.
- In Ansible 2.3 this module was using C(mount) and C(umount) commands only,
  requiring root access. This is no longer needed with the introduction of 7zip
  for extraction.
'''
EXAMPLES = r'''
- name: Extract kernel and ramdisk from a LiveCD
  iso_extract:
    image: /tmp/rear-test.iso
    dest: /tmp/virt-rear/
    files:
    - isolinux/kernel
    - isolinux/initrd.cgz
'''
RETURN = r'''
#
'''
import os.path
import shutil
import tempfile
try:  
    from shlex import quote
except ImportError:  
    from pipes import quote
from ansible.module_utils.basic import AnsibleModule
def main():
    module = AnsibleModule(
        argument_spec=dict(
            image=dict(type='path', required=True, aliases=['path', 'src']),