Set keepalive to 5 seconds in paramiko_ssh.py

This update resolves https://github.com/ansible/ansible/issues/6476.
Bugfix, fix crontab commands on HP-UX
If memory not available in syslog.log, catch error, attempt to find it with adb
Check for errors from adb, may not work on all systems.
Added region name to client connection as it is needed for some cloud providers
lvg module bugfix on vg_options patch

When no vg_options are passed to the module, 'vg_options' still exists
in the module.params dict with a value of None, so the default empty string in
the get method is never used. None cannot be "splitted", which backtraced.
Return untouhced servers with exact_count
fix issue #6932

add `git remote set-url` before fetch to set the remote repo to the new url, if provided
Fix localhost tasks with complex executables

Enable the use of executable commands that use command line options with
the localhost command runner. These commands require parsing out the
base executable from the command string to pass to subprocess.
Improve the ec2_snapshot argument spec and docs

ec2_snapshot got missed when moving to a common argument spec.
It could already make use of the capabilities (as it uses
ec2_connect) and the documentation suggested it supported the
common argument spec (thanks to the documentation fragment work)
so it was just a matter of fixing the argument spec.

Removed unnecessary documentation for profile and security_token
that is covered by documentation fragment

Also removed spurious documentation flags (default: null, aliases: [])
which aren't needed.
if key name already exists on tenant, check if public_key is offered that it matches the existing key
Switch to mapper device name if pvs returns the wrong one.
Add proper state output to ec2_asg, ec2_metric_alarm, ec2_scaling_policy
Allow wait_for to wait on non-traditional files

Use os.path.exists to check for file existence, instead of "can we open
this file for reading".

Fixes #6710
Fixed incorrect handling of paths contaiin whitespaces
Fail fast in the presence of permissions issues
Add a broken test that shows extensions not skipped
Fixed extension filtering in InventoryDirectory
Stackdriver module was in the wrong category, so moving.
Update composer example

Remove unsupported 'install' argument