Add Frankfurt AWS region
Handle case where boto needs an upgrade to recognise a new region

Raise an exception if boto does not yet know about a region.
test_git: add tests for `refspec' argument

Includes a basic test of the clone and update cases.
Fix conditionals doc example

Use most recent parameters for yum
Merge pull request #9419 from willthames/aws_frankfurt

There are still a couple of modules that use their own lists, but that should not prevent this merge, those should be adapted to use this list in subsequent patch
Merge pull request #9875 from astorije/patch-2

Fix conditionals doc example
Merge pull request #9860 from rohanpm/test_git_refspec

test_git: add tests for `refspec' argument
Pull in new refspec param for git module
Fix bug in merged git refspec code
Another try at a git fetch fix