Fix pip failure when version is parsed as a float

Pagerduty has advocated not using ansible for certain sizes of infrastructure.  This module is removed until this is corrected.

http://blog.pagerduty.com/2014/06/10-common-ops-mistakes/?utm_source=twitter&utm_medium=social&utm_campaign=blog

Make 'compress' optional

Fix #8047

fix issue #8102

Fix indentation in ec2.py

Merge branch 'task-host-loop-bypass' of https://github.com/sivel/ansible into sivel-task-host-loop-bypass

Merge branch 'wait-for-port-search-regex' of https://github.com/sivel/ansible into sivel-wait-for-port-search-regex

Show delegate_to hint in callback output

Allow --vault-password-file to work with a script as well as a flat file

Rax Guide: Add RackConnect and Managed Cloud automation check examples

rax_keypair module: Allow public_key to be a path to a file

rax module: Support config_drive and user_data

extra varsiables based on playbook basedir.

Ensure that json is returned when only updating the cache and in check mode

mysql_db: Fix error message for #6214

Correct regex in is_keyid

Fixed tracebacks during VM creation. Fixes #8067.

The `rpm_key` module claims to take a key ID as an argument, however it fails if one is actually given:

    msg: Not a valid key DEADBEEF

The reason for this is the regular expression in the `RpmKey.is_keyid` method is incorrect; it will only match the literal string "0-9a-f" exactly 8 times, rather than exactly 8 characters in the set 0-9 or a-f.

Added exception handling to database creation and deletion. Fixes #8075.

Switched primary and alias names of the name/db parameter. Fixes #8065.

Fixed tracebacks when datacenter not found, when notes not given, and when collecting facts after VM creation. Fixes #8067.