made enabled/disabled checks of apache2_module workable
Used module_args passed to function instead of from runner
Fix error handling on missing dest with unarchive

fixes #7107
Merge branch 'devel' of https://github.com/denisphillips/ansible into denisphillips-devel
Docker client occasionally returns a NoneType, so we have to catch the TypeError
Merge pull request #7280 from angstwad/docker_inv_fix

Docker inventory bugfix for potential traceback
Removing zone choices that overly-limit available zones for gce

Fixes #7270
Fixing two bugs in the ec2_elb_lb module

* the current state of the ELB was not reflected properly when checking
  the status after a change was made.
* invalid zones caused a traceback when enabling/disabling zones
ignore remnants from doing a setup.py install
Merge pull request #7282 from ephur/gitignore_egginfo

ignore remnants from doing a setup.py install
Make sure amazon test doesn't check host keys
Update packaging dates for the 1.6.0 release
Version bump for 1.7
Update RELEASES.txt
Update CHANGELOG.md
Fix sync_binlog name in mysql_variables example

The previous sync_binary_log is not a real MySQL variable.
Merge branch 'fixing_apache2_module' of https://github.com/berendt/ansible into berendt-fixing_apache2_module
Merge pull request #7294 from adamchainz/patch-1

Fix sync_binlog name in mysql_variables example
Make sure distro variable is set if python-apt is installed

Fixes #7295
[get_url] check against lowered stripped sha256sum

The content of the sha256sum attribute should be lowered before comparing it with the calculated sha256sum.

In the following example the used sha256sum uses ABC.. and not abc.. and the check failed. This should not happen.

```
TASK: [get_url url=http://ftp.fau.de/apache/hadoop/common/hadoop-2.4.0/hadoop-2.4.0.tar.gz dest=/home/vagrant/hadoop-2.4.0.tar.gz mode=0644 sha256sum=024326AC68A1A68B5566B10F95609EAAFD9F70CFEB37FCA0E97CBB1674E57C3A] ***
failed: [instance000] => {"failed": true}
msg: The SHA-256 checksum for /home/vagrant/hadoop-2.4.0.tar.gz did not match 024326AC68A1A68B5566B10F95609EAAFD9F70CFEB37FCA0E97CBB1674E57C3A; it was 024326ac68a1a68b5566b10f95609eaafd9f70cfeb37fca0e97cbb1674e57c3a.

FATAL: all hosts have already failed -- aborting
```