Initial bigip_node version
bigip_node: additional code

- checks if address already assigned to other node name
- add description for node
- check for node addres changes
- add missing code "node exists, potentially modify attributes"
Documentation additions and major refactor
Fixing authorized_keys module to make the key part detection better

Fixes #4677
Fixes #4657
Fixes #4599
Fixed version_added and removed reference to traceback module
fix command to make a debian package
Merge pull request #4711 from tgerla/docsfix

fix command to make a debian package
Pip module: fixing issue with python 2.4 support

Python 2.4.3 returns:
TypeError: expected character buffer object

startswith is expecting only a string instead of a tuple like newer versions allow.
Fix #4702, make setup work on windows
Fixes #4653 Set dest on results for copy module even if using file module
Merge pull request #4713 from eggsby/patch-1

Pip module: fixing issue with python 2.4 support
Merge pull request #4715 from mscherer/fix_4702

Fix #4702, make setup work on windows
Merge pull request #4712 from mhite/bigip_node

New BIG-IP module for managing node objects
Fixes #4720 Use mysql command to restore database instead of mysqldump
Add ansible_sudo_pass support, Fixes #4323

Uses ansible_sudo_pass hostvar, otherwise -K/--ask-sudo-pass if provided, or lastly ansible_ssh_pass

Fixes #4323
Small logic change to test if vars are None
Detect when sudo doesn't require a password