adding the get and put methods for the aws amazon password policy commands
rename put_account_password_policy to update_account_password_policy
Merge remote-tracking branch 'upstream/master' into aws_account_policy
cleaning up extra spaces
updating to the correct url for reference
adding the delete method for the aws account_password_policy
Merge pull request #3111 from techlunacy/aws_account_policy

Aws account policy