Merge pull request #8180 from sergevanginderachter/empty_nfs_mount_path

mount module: execute the mount only after path validation
Merge pull request #6619 from sergevanginderachter/ansible_version_var

Introduce an ansible_version dict as runner variable
Merge pull request #8516 from mpeters/ec2_dyn_inventory_include_exclude_patterns

adding include_pattern and exclude_pattern options to ec2.py
adding min() and max() filters for use in Jinja templates
Add note about rebases
Update 'version_added' in docs.
Add bigpanda module to monitoring
Update docs for bigpanda
Add some argument aliases
Rename source to source_system and remove it from the documentation.
Documentation error
Update version_added.
Merge pull request #7312 from bcoca/unarchive_docs

reworded copy option docs
added getent module to get system data as facts
added control to fail or not on missing key
made split 'smarter' but still overridable
bumped to 1.7
Updating docs.
Update docs.
Merge pull request #7983 from lorin/new-ebs-types

ec2_ami_search: support for SSD and IOPS provisioned EBS images
Rename some ticket stubs.