* ec2_ boilerplate
* Deprecate unused options.
* ec2_vol: Perform explicit type checking on volume_size and iops when parsing the args
Boto would through a type exception if the string couldn't be converted to an int.
* ec2_lc_find: remove duplicate definition of region
It's defined in ec2_argument_spec and ec2 doc fragment
* ec2_lc_info: Move responsibility for type checking/conversion of sort_start and sort_end into arg parser
* General sanity test related doc fixups
* Remove EC2 related sanity/ignore.txt entries
* Add changelog fragment
