Various fixes and changes for F5

[caphrim007]

SUMMARY

Primarily, this patch contains refactors to remove tracebacks that
are generated when libraries are missing. There is also,

• Removed re-def of cleanup_tokens.
• Changed parameter args to be keywords.
• Changed imports to include new module_util locations.
• Imports also include developing (sideband) module_util locations.
• Changed to using F5Client and plain AnsibleModule to prevent tracebacks caused by missing libraries.
• Removed init and update methods from most Parameter classes (optimization) as its now included in module_utils.
• Changed module and module param references to take into account the new self.module arg. Minor bug fixes made during this refactor.

ISSUE TYPE

• Bugfix Pull Request

COMPONENT NAME

various f5 modules

ANSIBLE VERSION

ansible 2.5.0
  config file = None
  configured module search path = [u'/root/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/local/lib/python2.7/site-packages/ansible
  executable location = /usr/local/bin/ansible
  python version = 2.7.14 (default, Dec 12 2017, 16:55:09) [GCC 4.9.2]

ADDITIONAL INFORMATION

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