Add iterator tests
Allow custom nosetests parameters

The NOSETESTS variable can be used to support customizing the nosetests
parameters.  This allows providing custom nose parameters such as
--with-coverage.
Fixes #5939 Allow for delegate hosts that are not in inventory
Merge pull request #6113 from jlaska/custom_nose_args

Allow custom nosetest parameters
Assume empty files are unencrypted.
In the route53 module, documenting that TXT and SPF requests
must be surrounded by quotes.

Otherwise you get a cryptic error message from Route 53.
Merge pull request #6116 from spatten/devel

In the route53 module, documenting that TXT and SPF values must be surrounded by quotes
Remove obsolete module development docs
Merge pull request #6121 from lalinsky/fix_dev_docs

Remove obsolete module development docs
replace test 'wget' package with 'hello' package
Merge pull request #6130 from Azulinho/devel

replace test 'wget' package with 'hello' package
Update CODING_GUIDELINES.md
Adding tests for the command and shell modules.
Fix typo in guide_rax
Merge pull request #6140 from andyhky/fix_typo

Fix typo in guide_rax
Added test for failed_when to non_destructive integration tests.